3213557036 has 6 divisors (see below), whose sum is σ = 5623724820. Its totient is φ = 1606778516.

The previous prime is 3213557029. The next prime is 3213557059. The reversal of 3213557036 is 6307553123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3213556987 and 3213557005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401694626 + ... + 401694633.

It is an arithmetic number, because the mean of its divisors is an integer number (937287470).

Almost surely, 2^3213557036 is an apocalyptic number.

It is an amenable number.

3213557036 is a deficient number, since it is larger than the sum of its proper divisors (2410167784).

3213557036 is a wasteful number, since it uses less digits than its factorization.

3213557036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803389263 (or 803389261 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 35.

The square root of 3213557036 is about 56688.2442486976. The cubic root of 3213557036 is about 1475.6906903702.

The spelling of 3213557036 in words is "three billion, two hundred thirteen million, five hundred fifty-seven thousand, thirty-six".