1932272978881 has 32 divisors (see below), whose sum is σ = 2363901636096. Its totient is φ = 1543375680000.

The previous prime is 1932272978879. The next prime is 1932272978899. The reversal of 1932272978881 is 1888792722391.

It is not a de Polignac number, because 1932272978881 - 2¹ = 1932272978879 is a prime.

It is a super-2 number, since 2×1932272978881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1932272978821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4418511 + ... + 4836091.

It is an arithmetic number, because the mean of its divisors is an integer number (73871926128).

Almost surely, 2^{1932272978881} is an apocalyptic number.

It is an amenable number.

1932272978881 is a deficient number, since it is larger than the sum of its proper divisors (431628657215).

1932272978881 is a wasteful number, since it uses less digits than its factorization.

1932272978881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418353.

The product of its digits is 48771072, while the sum is 67.

The spelling of 1932272978881 in words is "one trillion, nine hundred thirty-two billion, two hundred seventy-two million, nine hundred seventy-eight thousand, eight hundred eighty-one".