46044919521 has 12 divisors (see below), whose sum is σ = 66603144660. Its totient is φ = 30653313120.

The previous prime is 46044919499. The next prime is 46044919549. The reversal of 46044919521 is 12591944064.

46044919521 is a `hidden beast` number, since 4 + 604 + 4 + 9 + 19 + 5 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24488807121 + 21556112400 = 156489^2 + 146820^2 .

It is not a de Polignac number, because 46044919521 - 2¹⁵ = 46044886753 is a prime.

It is a super-2 number, since 2×46044919521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46044919121) 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, 3601590 + ... + 3614351.

It is an arithmetic number, because the mean of its divisors is an integer number (5550262055).

Almost surely, 2^46044919521 is an apocalyptic number.

It is an amenable number.

46044919521 is a deficient number, since it is larger than the sum of its proper divisors (20558225139).

46044919521 is a wasteful number, since it uses less digits than its factorization.

46044919521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216656 (or 7216653 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 46044919521 in words is "forty-six billion, forty-four million, nine hundred nineteen thousand, five hundred twenty-one".