32892944921 has 4 divisors (see below), whose sum is σ = 34827824052. Its totient is φ = 30958065792.

The previous prime is 32892944879. The next prime is 32892944923. The reversal of 32892944921 is 12944929823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12944929823 = 7 ⋅1849275689.

It can be written as a sum of positive squares in 2 ways, for example, as 13975968400 + 18916976521 = 118220^2 + 137539^2 .

It is a cyclic number.

It is not a de Polignac number, because 32892944921 - 2¹⁸ = 32892682777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32892944923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967439540 + ... + 967439573.

It is an arithmetic number, because the mean of its divisors is an integer number (8706956013).

Almost surely, 2^32892944921 is an apocalyptic number.

It is an amenable number.

32892944921 is a deficient number, since it is larger than the sum of its proper divisors (1934879131).

32892944921 is a wasteful number, since it uses less digits than its factorization.

32892944921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934879130.

The product of its digits is 2239488, while the sum is 53.

The spelling of 32892944921 in words is "thirty-two billion, eight hundred ninety-two million, nine hundred forty-four thousand, nine hundred twenty-one".