44513624121 has 4 divisors (see below), whose sum is σ = 59351498832. Its totient is φ = 29675749412.

The previous prime is 44513624119. The next prime is 44513624131. The reversal of 44513624121 is 12142631544.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44513624121 - 2¹ = 44513624119 is a prime.

It is a super-4 number, since 4×44513624121⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (44513624131) 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, 7418937351 + ... + 7418937356.

It is an arithmetic number, because the mean of its divisors is an integer number (14837874708).

Almost surely, 2^44513624121 is an apocalyptic number.

It is an amenable number.

44513624121 is a deficient number, since it is larger than the sum of its proper divisors (14837874711).

44513624121 is a wasteful number, since it uses less digits than its factorization.

44513624121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14837874710.

The product of its digits is 23040, while the sum is 33.

The spelling of 44513624121 in words is "forty-four billion, five hundred thirteen million, six hundred twenty-four thousand, one hundred twenty-one".