46409550021 has 32 divisors (see below), whose sum is σ = 69142429440. Its totient is φ = 30765772800.

The previous prime is 46409550013. The next prime is 46409550049. The reversal of 46409550021 is 12005590464.

46409550021 is a `hidden beast` number, since 4 + 6 + 40 + 95 + 500 + 21 = 666.

It is not a de Polignac number, because 46409550021 - 2³ = 46409550013 is a prime.

It is a super-2 number, since 2×46409550021² (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 (46409550001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3810181 + ... + 3822341.

It is an arithmetic number, because the mean of its divisors is an integer number (2160700920).

Almost surely, 2^46409550021 is an apocalyptic number.

It is an amenable number.

46409550021 is a deficient number, since it is larger than the sum of its proper divisors (22732879419).

46409550021 is a wasteful number, since it uses less digits than its factorization.

46409550021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954 (or 12948 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 46409550021 in words is "forty-six billion, four hundred nine million, five hundred fifty thousand, twenty-one".