2159272381923 has 6 divisors (see below), whose sum is σ = 3118948996124. Its totient is φ = 1439514921276.

The previous prime is 2159272381921. The next prime is 2159272381943. The reversal of 2159272381923 is 3291832729512.

2159272381923 is a `hidden beast` number, since 2 + 1 + 592 + 7 + 2 + 38 + 19 + 2 + 3 = 666.

It is not a de Polignac number, because 2159272381923 - 2¹ = 2159272381921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2159272381923.

It is not an unprimeable number, because it can be changed into a prime (2159272381921) 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, 119959576765 + ... + 119959576782.

Almost surely, 2^{2159272381923} is an apocalyptic number.

2159272381923 is a deficient number, since it is larger than the sum of its proper divisors (959676614201).

2159272381923 is a wasteful number, since it uses less digits than its factorization.

2159272381923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239919153553 (or 239919153550 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 2159272381923 in words is "two trillion, one hundred fifty-nine billion, two hundred seventy-two million, three hundred eighty-one thousand, nine hundred twenty-three".