697621039007 has 16 divisors (see below), whose sum is σ = 703956116640. Its totient is φ = 691318996992.

The previous prime is 697621038929. The next prime is 697621039021. The reversal of 697621039007 is 700930126796.

It is a cyclic number.

It is not a de Polignac number, because 697621039007 - 2¹⁶ = 697620973471 is a prime.

It is a super-2 number, since 2×697621039007² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697621539007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87275003 + ... + 87282995.

It is an arithmetic number, because the mean of its divisors is an integer number (43997257290).

Almost surely, 2^697621039007 is an apocalyptic number.

697621039007 is a deficient number, since it is larger than the sum of its proper divisors (6335077633).

697621039007 is a wasteful number, since it uses less digits than its factorization.

697621039007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9962.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 697621039007 in words is "six hundred ninety-seven billion, six hundred twenty-one million, thirty-nine thousand, seven".