5259644942 has 32 divisors (see below), whose sum is σ = 8612198400. Its totient is φ = 2400474528.

The previous prime is 5259644939. The next prime is 5259644947. The reversal of 5259644942 is 2494469525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259644947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126659 + ... + 162977.

It is an arithmetic number, because the mean of its divisors is an integer number (269131200).

Almost surely, 2^5259644942 is an apocalyptic number.

5259644942 is a deficient number, since it is larger than the sum of its proper divisors (3352553458).

5259644942 is a wasteful number, since it uses less digits than its factorization.

5259644942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36480.

The product of its digits is 3110400, while the sum is 50.

The square root of 5259644942 is about 72523.4096137240. The cubic root of 5259644942 is about 1739.0769911957.

The spelling of 5259644942 in words is "five billion, two hundred fifty-nine million, six hundred forty-four thousand, nine hundred forty-two".