690482104581 has 32 divisors (see below), whose sum is σ = 1002563614080. Its totient is φ = 421244928000.

The previous prime is 690482104577. The next prime is 690482104643. The reversal of 690482104581 is 185401284096.

It is not a de Polignac number, because 690482104581 - 2² = 690482104577 is a prime.

It is a super-2 number, since 2×690482104581² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 690482104581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690482104531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1226620 + ... + 1698693.

It is an arithmetic number, because the mean of its divisors is an integer number (31330112940).

Almost surely, 2^690482104581 is an apocalyptic number.

It is an amenable number.

690482104581 is a deficient number, since it is larger than the sum of its proper divisors (312081509499).

690482104581 is a wasteful number, since it uses less digits than its factorization.

690482104581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925477.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 690482104581 in words is "six hundred ninety billion, four hundred eighty-two million, one hundred four thousand, five hundred eighty-one".