46821725181 has 96 divisors (see below), whose sum is σ = 86207846400. Its totient is φ = 23781513600.

The previous prime is 46821725141. The next prime is 46821725191. The reversal of 46821725181 is 18152712864.

46821725181 is a `hidden beast` number, since 4 + 68 + 2 + 1 + 72 + 518 + 1 = 666.

It is not a de Polignac number, because 46821725181 - 2¹³ = 46821716989 is a prime.

It is a super-2 number, since 2×46821725181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46821725141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11420670 + ... + 11424768.

It is an arithmetic number, because the mean of its divisors is an integer number (897998400).

Almost surely, 2^46821725181 is an apocalyptic number.

It is an amenable number.

46821725181 is a deficient number, since it is larger than the sum of its proper divisors (39386121219).

46821725181 is a wasteful number, since it uses less digits than its factorization.

46821725181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 4484 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The spelling of 46821725181 in words is "forty-six billion, eight hundred twenty-one million, seven hundred twenty-five thousand, one hundred eighty-one".