2156427379633 has 8 divisors (see below), whose sum is σ = 2163531339200. Its totient is φ = 2149323938640.

The previous prime is 2156427379619. The next prime is 2156427379651. The reversal of 2156427379633 is 3369737246512.

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

It is a cyclic number.

It is not a de Polignac number, because 2156427379633 - 2²⁹ = 2155890508721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156427379133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9335668 + ... + 9563866.

It is an arithmetic number, because the mean of its divisors is an integer number (270441417400).

Almost surely, 2^{2156427379633} is an apocalyptic number.

It is an amenable number.

2156427379633 is a deficient number, since it is larger than the sum of its proper divisors (7103959567).

2156427379633 is a wasteful number, since it uses less digits than its factorization.

2156427379633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259287.

The product of its digits is 34292160, while the sum is 58.

The spelling of 2156427379633 in words is "two trillion, one hundred fifty-six billion, four hundred twenty-seven million, three hundred seventy-nine thousand, six hundred thirty-three".