44374534921 has 2 divisors, whose sum is σ = 44374534922. Its totient is φ = 44374534920.

The previous prime is 44374534877. The next prime is 44374534943. The reversal of 44374534921 is 12943547344.

44374534921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39755973321 + 4618561600 = 199389^2 + 67960^2 .

It is a cyclic number.

It is not a de Polignac number, because 44374534921 - 2²³ = 44366146313 is a prime.

It is not a weakly prime, because it can be changed into another prime (44374534951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22187267460 + 22187267461.

It is an arithmetic number, because the mean of its divisors is an integer number (22187267461).

Almost surely, 2^44374534921 is an apocalyptic number.

It is an amenable number.

44374534921 is a deficient number, since it is larger than the sum of its proper divisors (1).

44374534921 is an equidigital number, since it uses as much as digits as its factorization.

44374534921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 46.

The spelling of 44374534921 in words is "forty-four billion, three hundred seventy-four million, five hundred thirty-four thousand, nine hundred twenty-one".