697789732641 has 8 divisors (see below), whose sum is σ = 937079737440. Its totient is φ = 461846441472.

The previous prime is 697789732609. The next prime is 697789732649. The reversal of 697789732641 is 146237987796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 697789732641 - 2⁵ = 697789732609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (697789732649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836677920 + ... + 836678753.

It is an arithmetic number, because the mean of its divisors is an integer number (117134967180).

Almost surely, 2^697789732641 is an apocalyptic number.

It is an amenable number.

697789732641 is a deficient number, since it is larger than the sum of its proper divisors (239290004799).

697789732641 is a wasteful number, since it uses less digits than its factorization.

697789732641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673356815.

The product of its digits is 192036096, while the sum is 69.

The spelling of 697789732641 in words is "six hundred ninety-seven billion, seven hundred eighty-nine million, seven hundred thirty-two thousand, six hundred forty-one".