3813427556 has 48 divisors (see below), whose sum is σ = 7139994624. Its totient is φ = 1775886336.

The previous prime is 3813427549. The next prime is 3813427561. The reversal of 3813427556 is 6557243183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2926001 + ... + 2927303.

It is an arithmetic number, because the mean of its divisors is an integer number (148749888).

Almost surely, 2^3813427556 is an apocalyptic number.

It is an amenable number.

3813427556 is a deficient number, since it is larger than the sum of its proper divisors (3326567068).

3813427556 is a wasteful number, since it uses less digits than its factorization.

3813427556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1738 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 3813427556 is about 61752.9558482831. The cubic root of 3813427556 is about 1562.3266230751.

The spelling of 3813427556 in words is "three billion, eight hundred thirteen million, four hundred twenty-seven thousand, five hundred fifty-six".