690932787941 has 16 divisors (see below), whose sum is σ = 813140970048. Its totient is φ = 580018233600.

The previous prime is 690932787929. The next prime is 690932787947. The reversal of 690932787941 is 149787239096.

It is a cyclic number.

It is not a de Polignac number, because 690932787941 - 2¹⁰ = 690932786917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690932787947) 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, 34846955 + ... + 34866776.

It is an arithmetic number, because the mean of its divisors is an integer number (50821310628).

Almost surely, 2^690932787941 is an apocalyptic number.

It is an amenable number.

690932787941 is a deficient number, since it is larger than the sum of its proper divisors (122208182107).

690932787941 is a wasteful number, since it uses less digits than its factorization.

690932787941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69713812.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 690932787941 in words is "six hundred ninety billion, nine hundred thirty-two million, seven hundred eighty-seven thousand, nine hundred forty-one".