690604482645 has 96 divisors (see below), whose sum is σ = 1507200424704. Its totient is φ = 284162688000.

The previous prime is 690604482559. The next prime is 690604482661. The reversal of 690604482645 is 546284406096.

690604482645 is a `hidden beast` number, since 6 + 9 + 0 + 604 + 4 + 8 + 26 + 4 + 5 = 666.

It is not a de Polignac number, because 690604482645 - 2¹¹ = 690604480597 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 690604482591 and 690604482600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 636712 + ... + 1336641.

It is an arithmetic number, because the mean of its divisors is an integer number (15700004424).

Almost surely, 2^690604482645 is an apocalyptic number.

It is an amenable number.

690604482645 is an abundant number, since it is smaller than the sum of its proper divisors (816595942059).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690604482645 is a wasteful number, since it uses less digits than its factorization.

690604482645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973483 (or 1973480 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 690604482645 in words is "six hundred ninety billion, six hundred four million, four hundred eighty-two thousand, six hundred forty-five".