3556864018 has 4 divisors (see below), whose sum is σ = 5335296030. Its totient is φ = 1778432008.

The previous prime is 3556863931. The next prime is 3556864027. The reversal of 3556864018 is 8104686553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2783301049 + 773562969 = 52757^2 + 27813^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889216003 + ... + 889216006.

Almost surely, 2^3556864018 is an apocalyptic number.

3556864018 is a deficient number, since it is larger than the sum of its proper divisors (1778432012).

3556864018 is a wasteful number, since it uses less digits than its factorization.

3556864018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778432011.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 3556864018 is about 59639.4501819056. The cubic root of 3556864018 is about 1526.4728607251.

The spelling of 3556864018 in words is "three billion, five hundred fifty-six million, eight hundred sixty-four thousand, eighteen".