3651203264 has 56 divisors (see below), whose sum is σ = 7620292608. Its totient is φ = 1732389120.

The previous prime is 3651203263. The next prime is 3651203279. The reversal of 3651203264 is 4623021563.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3651203264.

It is not an unprimeable number, because it can be changed into a prime (3651203263) 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 in 7 ways as a sum of consecutive naturals, for example, 177179 + ... + 196709.

Almost surely, 2^3651203264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3651203264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810146304).

3651203264 is an abundant number, since it is smaller than the sum of its proper divisors (3969089344).

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

3651203264 is a wasteful number, since it uses less digits than its factorization.

3651203264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19693 (or 19683 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3651203264 is about 60425.1873311122. The cubic root of 3651203264 is about 1539.8508969040.

The spelling of 3651203264 in words is "three billion, six hundred fifty-one million, two hundred three thousand, two hundred sixty-four".