3651802372 has 6 divisors (see below), whose sum is σ = 6390654158. Its totient is φ = 1825901184.

The previous prime is 3651802369. The next prime is 3651802373. The reversal of 3651802372 is 2732081563.

It can be written as a sum of positive squares in only one way, i.e., 3258811396 + 392990976 = 57086^2 + 19824^2 .

It is not an unprimeable number, because it can be changed into a prime (3651802373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456475293 + ... + 456475300.

Almost surely, 2^3651802372 is an apocalyptic number.

It is an amenable number.

3651802372 is a deficient number, since it is larger than the sum of its proper divisors (2738851786).

3651802372 is a wasteful number, since it uses less digits than its factorization.

3651802372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912950597 (or 912950595 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3651802372 is about 60430.1445637854. The cubic root of 3651802372 is about 1539.9351144866.

The spelling of 3651802372 in words is "three billion, six hundred fifty-one million, eight hundred two thousand, three hundred seventy-two".