46781567081 has 16 divisors (see below), whose sum is σ = 48363143040. Its totient is φ = 45226621440.

The previous prime is 46781567057. The next prime is 46781567083. The reversal of 46781567081 is 18076518764.

It is not a de Polignac number, because 46781567081 - 2²² = 46777372777 is a prime.

It is a super-2 number, since 2×46781567081² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46781567083) 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, 11922986 + ... + 11926908.

It is an arithmetic number, because the mean of its divisors is an integer number (3022696440).

Almost surely, 2^46781567081 is an apocalyptic number.

It is an amenable number.

46781567081 is a deficient number, since it is larger than the sum of its proper divisors (1581575959).

46781567081 is a wasteful number, since it uses less digits than its factorization.

46781567081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 46781567081 in words is "forty-six billion, seven hundred eighty-one million, five hundred sixty-seven thousand, eighty-one".