693614641 has 4 divisors (see below), whose sum is σ = 694677492. Its totient is φ = 692551792.

The previous prime is 693614599. The next prime is 693614653. The reversal of 693614641 is 146416396.

693614641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 240095025 + 453519616 = 15495^2 + 21296^2 .

It is a cyclic number.

It is not a de Polignac number, because 693614641 - 2¹³ = 693606449 is a prime.

It is a super-2 number, since 2×693614641² = 962202540419117762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 693614594 and 693614603.

It is not an unprimeable number, because it can be changed into a prime (693614681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530446 + ... + 531751.

It is an arithmetic number, because the mean of its divisors is an integer number (173669373).

Almost surely, 2^693614641 is an apocalyptic number.

It is an amenable number.

693614641 is a deficient number, since it is larger than the sum of its proper divisors (1062851).

693614641 is a wasteful number, since it uses less digits than its factorization.

693614641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062850.

The product of its digits is 93312, while the sum is 40.

The square root of 693614641 is about 26336.5647152395. The cubic root of 693614641 is about 885.1959479724.

The spelling of 693614641 in words is "six hundred ninety-three million, six hundred fourteen thousand, six hundred forty-one".