693749449 has 4 divisors (see below), whose sum is σ = 703520640. Its totient is φ = 683978260.

The previous prime is 693749429. The next prime is 693749461. The reversal of 693749449 is 944947396.

693749449 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, 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 693749449 - 2²⁹ = 156878537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 693749449.

It is not an unprimeable number, because it can be changed into a prime (693749429) 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, 4885489 + ... + 4885630.

It is an arithmetic number, because the mean of its divisors is an integer number (175880160).

Almost surely, 2^693749449 is an apocalyptic number.

It is an amenable number.

693749449 is a deficient number, since it is larger than the sum of its proper divisors (9771191).

693749449 is an equidigital number, since it uses as much as digits as its factorization.

693749449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9771190.

The product of its digits is 5878656, while the sum is 55.

The square root of 693749449 is about 26339.1239224087. The cubic root of 693749449 is about 885.2532919010.

The spelling of 693749449 in words is "six hundred ninety-three million, seven hundred forty-nine thousand, four hundred forty-nine".