44651461421 has 16 divisors (see below), whose sum is σ = 51120326400. Its totient is φ = 38205191808.

The previous prime is 44651461411. The next prime is 44651461427. The reversal of 44651461421 is 12416415644.

It is not a de Polignac number, because 44651461421 - 2³⁰ = 43577719597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44651461427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12892136 + ... + 12895598.

It is an arithmetic number, because the mean of its divisors is an integer number (3195020400).

Almost surely, 2^44651461421 is an apocalyptic number.

It is an amenable number.

44651461421 is a deficient number, since it is larger than the sum of its proper divisors (6468864979).

44651461421 is a wasteful number, since it uses less digits than its factorization.

44651461421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188.

The product of its digits is 92160, while the sum is 38.

The spelling of 44651461421 in words is "forty-four billion, six hundred fifty-one million, four hundred sixty-one thousand, four hundred twenty-one".