690294070652 has 12 divisors (see below), whose sum is σ = 1213289798280. Its totient is φ = 343639842576.

The previous prime is 690294070637. The next prime is 690294070679. The reversal of 690294070652 is 256070492096.

It is a self number, because there is not a number n which added to its sum of digits gives 690294070652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376797158 + ... + 376798989.

It is an arithmetic number, because the mean of its divisors is an integer number (101107483190).

Almost surely, 2^690294070652 is an apocalyptic number.

It is an amenable number.

690294070652 is a deficient number, since it is larger than the sum of its proper divisors (522995727628).

690294070652 is a wasteful number, since it uses less digits than its factorization.

690294070652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753596380 (or 753596378 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 690294070652 in words is "six hundred ninety billion, two hundred ninety-four million, seventy thousand, six hundred fifty-two".