43308244661057 has 4 divisors (see below), whose sum is σ = 44801632408020. Its totient is φ = 41814856914096.

The previous prime is 43308244660973. The next prime is 43308244661063. The reversal of 43308244661057 is 75016644280334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20447615785216 + 22860628875841 = 4521904^2 + 4781279^2 .

It is a cyclic number.

It is not a de Polignac number, because 43308244661057 - 2²² = 43308240466753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43308244661657) 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, 746693873438 + ... + 746693873495.

It is an arithmetic number, because the mean of its divisors is an integer number (11200408102005).

Almost surely, 2^{43308244661057} is an apocalyptic number.

It is an amenable number.

43308244661057 is a deficient number, since it is larger than the sum of its proper divisors (1493387746963).

43308244661057 is a wasteful number, since it uses less digits than its factorization.

43308244661057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493387746962.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 43308244661057 in words is "forty-three trillion, three hundred eight billion, two hundred forty-four million, six hundred sixty-one thousand, fifty-seven".