4256996564 has 12 divisors (see below), whose sum is σ = 7473547284. Its totient is φ = 2121697344.

The previous prime is 4256996563. The next prime is 4256996591. The reversal of 4256996564 is 4656996524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1538208400 + 2718788164 = 39220^2 + 52142^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256996563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698827 + ... + 1701330.

It is an arithmetic number, because the mean of its divisors is an integer number (622795607).

Almost surely, 2^4256996564 is an apocalyptic number.

It is an amenable number.

4256996564 is a deficient number, since it is larger than the sum of its proper divisors (3216550720).

4256996564 is a wasteful number, since it uses less digits than its factorization.

4256996564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400474 (or 3400472 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 56.

The square root of 4256996564 is about 65245.6631815479. The cubic root of 4256996564 is about 1620.6942819961.

The spelling of 4256996564 in words is "four billion, two hundred fifty-six million, nine hundred ninety-six thousand, five hundred sixty-four".