44621422412643 has 48 divisors (see below), whose sum is σ = 67136847186240. Its totient is φ = 28523293344000.

The previous prime is 44621422412627. The next prime is 44621422412657. The reversal of 44621422412643 is 34621422412644.

44621422412643 is a `hidden beast` number, since 4 + 4 + 6 + 2 + 142 + 241 + 264 + 3 = 666.

It is not a de Polignac number, because 44621422412643 - 2⁴ = 44621422412627 is a prime.

It is a super-3 number, since 3×44621422412643³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (44621422412243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136237905 + ... + 136565037.

It is an arithmetic number, because the mean of its divisors is an integer number (1398684316380).

Almost surely, 2^{44621422412643} is an apocalyptic number.

44621422412643 is a deficient number, since it is larger than the sum of its proper divisors (22515424773597).

44621422412643 is a wasteful number, since it uses less digits than its factorization.

44621422412643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330780 (or 330777 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 45.

Subtracting from 44621422412643 its reverse (34621422412644), we obtain a palindrome (9999999999999).

The spelling of 44621422412643 in words is "forty-four trillion, six hundred twenty-one billion, four hundred twenty-two million, four hundred twelve thousand, six hundred forty-three".