5641613626 has 12 divisors (see below), whose sum is σ = 9301669146. Its totient is φ = 2564369720.

The previous prime is 5641613623. The next prime is 5641613641. The reversal of 5641613626 is 6263161465.

It can be written as a sum of positive squares in only one way, i.e., 5047960401 + 593653225 = 71049^2 + 24365^2 .

It is not an unprimeable number, because it can be changed into a prime (5641613623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11655985 + ... + 11656468.

Almost surely, 2^5641613626 is an apocalyptic number.

5641613626 is a deficient number, since it is larger than the sum of its proper divisors (3660055520).

5641613626 is a wasteful number, since it uses less digits than its factorization.

5641613626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23312477 (or 23312466 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 5641613626 is about 75110.6758457145. The cubic root of 5641613626 is about 1780.1958318818.

The spelling of 5641613626 in words is "five billion, six hundred forty-one million, six hundred thirteen thousand, six hundred twenty-six".