2159372308738 has 8 divisors (see below), whose sum is σ = 3429591313932. Its totient is φ = 1016175204096.

The previous prime is 2159372308727. The next prime is 2159372308799. The reversal of 2159372308738 is 8378032739512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2158616223729 + 756085009 = 1469223^2 + 27497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31755475095 + ... + 31755475162.

Almost surely, 2^{2159372308738} is an apocalyptic number.

2159372308738 is a deficient number, since it is larger than the sum of its proper divisors (1270219005194).

2159372308738 is a wasteful number, since it uses less digits than its factorization.

2159372308738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63510950276.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 2159372308738 in words is "two trillion, one hundred fifty-nine billion, three hundred seventy-two million, three hundred eight thousand, seven hundred thirty-eight".