46644212561 has 16 divisors (see below), whose sum is σ = 47987251200. Its totient is φ = 45311404800.

The previous prime is 46644212533. The next prime is 46644212581. The reversal of 46644212561 is 16521244664.

46644212561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46644212561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46644212581) 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, 10052480 + ... + 10057118.

It is an arithmetic number, because the mean of its divisors is an integer number (2999203200).

Almost surely, 2^46644212561 is an apocalyptic number.

46644212561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

46644212561 is a deficient number, since it is larger than the sum of its proper divisors (1343038639).

46644212561 is a wasteful number, since it uses less digits than its factorization.

46644212561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680.

The product of its digits is 276480, while the sum is 41.

The spelling of 46644212561 in words is "forty-six billion, six hundred forty-four million, two hundred twelve thousand, five hundred sixty-one".