3664865763 has 128 divisors (see below), whose sum is σ = 6415718400. Its totient is φ = 2047389696.

The previous prime is 3664865761. The next prime is 3664865767. The reversal of 3664865763 is 3675684663.

3664865763 is a `hidden beast` number, since 3 + 6 + 64 + 8 + 6 + 576 + 3 = 666.

It is not a de Polignac number, because 3664865763 - 2¹ = 3664865761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3664865761) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35581170 + ... + 35581272.

It is an arithmetic number, because the mean of its divisors is an integer number (50122800).

Almost surely, 2^3664865763 is an apocalyptic number.

3664865763 is a deficient number, since it is larger than the sum of its proper divisors (2750852637).

3664865763 is a wasteful number, since it uses less digits than its factorization.

3664865763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The square root of 3664865763 is about 60538.1347829614. The cubic root of 3664865763 is about 1541.7691708862.

The spelling of 3664865763 in words is "three billion, six hundred sixty-four million, eight hundred sixty-five thousand, seven hundred sixty-three".