690152563633 has 16 divisors (see below), whose sum is σ = 755488357456. Its totient is φ = 626568099840.

The previous prime is 690152563601. The next prime is 690152563657. The reversal of 690152563633 is 336365251096.

It can be written as a sum of positive squares in 8 ways, for example, as 1214383104 + 688938180529 = 34848^2 + 830023^2 .

It is a cyclic number.

It is not a de Polignac number, because 690152563633 - 2⁵ = 690152563601 is a prime.

It is a super-2 number, since 2×690152563633² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690152563733) 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, 12038485 + ... + 12095677.

It is an arithmetic number, because the mean of its divisors is an integer number (47218022341).

Almost surely, 2^690152563633 is an apocalyptic number.

It is an amenable number.

690152563633 is a deficient number, since it is larger than the sum of its proper divisors (65335793823).

690152563633 is a wasteful number, since it uses less digits than its factorization.

690152563633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72484.

The product of its (nonzero) digits is 2624400, while the sum is 49.

The spelling of 690152563633 in words is "six hundred ninety billion, one hundred fifty-two million, five hundred sixty-three thousand, six hundred thirty-three".