697129657064 has 32 divisors (see below), whose sum is σ = 1316347415040. Its totient is φ = 346111315200.

The previous prime is 697129657051. The next prime is 697129657067. The reversal of 697129657064 is 460756921796.

It is a junction number, because it is equal to n+sod(n) for n = 697129656988 and 697129657006.

It is not an unprimeable number, because it can be changed into a prime (697129657067) 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, 254009 + ... + 1207799.

It is an arithmetic number, because the mean of its divisors is an integer number (41135856720).

Almost surely, 2^697129657064 is an apocalyptic number.

It is an amenable number.

697129657064 is a deficient number, since it is larger than the sum of its proper divisors (619217757976).

697129657064 is a wasteful number, since it uses less digits than its factorization.

697129657064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954441 (or 954437 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 697129657064 in words is "six hundred ninety-seven billion, one hundred twenty-nine million, six hundred fifty-seven thousand, sixty-four".