5619642656 has 12 divisors (see below), whose sum is σ = 11063671542. Its totient is φ = 2809821312.

The previous prime is 5619642641. The next prime is 5619642659. The reversal of 5619642656 is 6562469165.

It can be written as a sum of positive squares in only one way, i.e., 2946752656 + 2672890000 = 54284^2 + 51700^2 .

It is a super-2 number, since 2×5619642656² = 63160767162269468672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5619642659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87806885 + ... + 87806948.

Almost surely, 2^5619642656 is an apocalyptic number.

It is an amenable number.

5619642656 is a deficient number, since it is larger than the sum of its proper divisors (5444028886).

5619642656 is a wasteful number, since it uses less digits than its factorization.

5619642656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175613843 (or 175613835 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 5619642656 is about 74964.2758652413. The cubic root of 5619642656 is about 1777.8818654658.

The spelling of 5619642656 in words is "five billion, six hundred nineteen million, six hundred forty-two thousand, six hundred fifty-six".