46321213561 has 12 divisors (see below), whose sum is σ = 56226638592. Its totient is φ = 37977640008.

The previous prime is 46321213553. The next prime is 46321213579. The reversal of 46321213561 is 16531212364.

46321213561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46321213561 - 2³ = 46321213553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46321213501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20549545 + ... + 20551798.

It is an arithmetic number, because the mean of its divisors is an integer number (4685553216).

Almost surely, 2^46321213561 is an apocalyptic number.

It is an amenable number.

46321213561 is a deficient number, since it is larger than the sum of its proper divisors (9905425031).

46321213561 is a wasteful number, since it uses less digits than its factorization.

46321213561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41101380 (or 41101373 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The spelling of 46321213561 in words is "forty-six billion, three hundred twenty-one million, two hundred thirteen thousand, five hundred sixty-one".