46438427454521 has 4 divisors (see below), whose sum is σ = 46475968625892. Its totient is φ = 46400886283152.

The previous prime is 46438427454493. The next prime is 46438427454563. The reversal of 46438427454521 is 12545472483464.

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 27706748238400 + 18731679216121 = 5263720^2 + 4328011^2 .

It is a cyclic number.

It is not a de Polignac number, because 46438427454521 - 2⁶ = 46438427454457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46438427454571) 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, 18770583830 + ... + 18770586303.

It is an arithmetic number, because the mean of its divisors is an integer number (11618992156473).

Almost surely, 2^{46438427454521} is an apocalyptic number.

It is an amenable number.

46438427454521 is a deficient number, since it is larger than the sum of its proper divisors (37541171371).

46438427454521 is a wasteful number, since it uses less digits than its factorization.

46438427454521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37541171370.

The product of its digits is 103219200, while the sum is 59.

The spelling of 46438427454521 in words is "forty-six trillion, four hundred thirty-eight billion, four hundred twenty-seven million, four hundred fifty-four thousand, five hundred twenty-one".