3651079688 has 16 divisors (see below), whose sum is σ = 6974940780. Its totient is φ = 1791095488.

The previous prime is 3651079687. The next prime is 3651079697. The reversal of 3651079688 is 8869701563.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3647918404 + 3161284 = 60398^2 + 1778^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (3651079687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4305095 + ... + 4305942.

Almost surely, 2^3651079688 is an apocalyptic number.

It is an amenable number.

3651079688 is a deficient number, since it is larger than the sum of its proper divisors (3323861092).

3651079688 is a wasteful number, since it uses less digits than its factorization.

3651079688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611096 (or 8611092 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 3651079688 is about 60424.1647687413. The cubic root of 3651079688 is about 1539.8335244793.

The spelling of 3651079688 in words is "three billion, six hundred fifty-one million, seventy-nine thousand, six hundred eighty-eight".