694795993 has 4 divisors (see below), whose sum is σ = 695897728. Its totient is φ = 693694260.

The previous prime is 694795991. The next prime is 694796041. The reversal of 694795993 is 399597496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 694795993 - 2¹ = 694795991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694795991) 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, 549921 + ... + 551182.

It is an arithmetic number, because the mean of its divisors is an integer number (173974432).

Almost surely, 2^694795993 is an apocalyptic number.

It is an amenable number.

694795993 is a deficient number, since it is larger than the sum of its proper divisors (1101735).

694795993 is a wasteful number, since it uses less digits than its factorization.

694795993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101734.

The product of its digits is 16533720, while the sum is 61.

The square root of 694795993 is about 26358.9831556530. The cubic root of 694795993 is about 885.6982128779.

The spelling of 694795993 in words is "six hundred ninety-four million, seven hundred ninety-five thousand, nine hundred ninety-three".