2156100263433 has 12 divisors (see below), whose sum is σ = 3114408082500. Its totient is φ = 1437381236256.

The previous prime is 2156100263407. The next prime is 2156100263459. The reversal of 2156100263433 is 3343620016512.

2156100263433 is a `hidden beast` number, since 2 + 1 + 5 + 6 + 10 + 0 + 2 + 634 + 3 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (2156100263407) and next prime (2156100263459).

It can be written as a sum of positive squares in 2 ways, for example, as 2023799295609 + 132300967824 = 1422603^2 + 363732^2 .

It is not a de Polignac number, because 2156100263433 - 2³³ = 2147510328841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2156100263533) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 839058 + ... + 2239691.

It is an arithmetic number, because the mean of its divisors is an integer number (259534006875).

Almost surely, 2^{2156100263433} is an apocalyptic number.

It is an amenable number.

2156100263433 is a deficient number, since it is larger than the sum of its proper divisors (958307819067).

2156100263433 is a wasteful number, since it uses less digits than its factorization.

2156100263433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156568 (or 3156565 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 2156100263433 its reverse (3343620016512), we get a palindrome (5499720279945).

The spelling of 2156100263433 in words is "two trillion, one hundred fifty-six billion, one hundred million, two hundred sixty-three thousand, four hundred thirty-three".