3628764868 has 6 divisors (see below), whose sum is σ = 6350338526. Its totient is φ = 1814382432.

The previous prime is 3628764857. The next prime is 3628764911. The reversal of 3628764868 is 8684678263.

It can be written as a sum of positive squares in only one way, i.e., 2203551364 + 1425213504 = 46942^2 + 37752^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453595605 + ... + 453595612.

Almost surely, 2^3628764868 is an apocalyptic number.

It is an amenable number.

3628764868 is a deficient number, since it is larger than the sum of its proper divisors (2721573658).

3628764868 is a wasteful number, since it uses less digits than its factorization.

3628764868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907191221 (or 907191219 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 58.

The square root of 3628764868 is about 60239.2303071678. The cubic root of 3628764868 is about 1536.6900388302.

The spelling of 3628764868 in words is "three billion, six hundred twenty-eight million, seven hundred sixty-four thousand, eight hundred sixty-eight".