3956091556 has 12 divisors (see below), whose sum is σ = 7330405068. Its totient is φ = 1861690112.

The previous prime is 3956091533. The next prime is 3956091569. The reversal of 3956091556 is 6551906593.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3664365156 + 291726400 = 60534^2 + 17080^2 .

It is a super-2 number, since 2×3956091556² = 31301320798909002272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29088841 + ... + 29088976.

It is an arithmetic number, because the mean of its divisors is an integer number (610867089).

Almost surely, 2^3956091556 is an apocalyptic number.

It is an amenable number.

3956091556 is a deficient number, since it is larger than the sum of its proper divisors (3374313512).

3956091556 is a wasteful number, since it uses less digits than its factorization.

3956091556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58177838 (or 58177836 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 49.

The square root of 3956091556 is about 62897.4685977107. The cubic root of 3956091556 is about 1581.5713092187.

The spelling of 3956091556 in words is "three billion, nine hundred fifty-six million, ninety-one thousand, five hundred fifty-six".