46537949421 has 24 divisors (see below), whose sum is σ = 70769855520. Its totient is φ = 29388069216.

The previous prime is 46537949413. The next prime is 46537949443. The reversal of 46537949421 is 12494973564.

46537949421 is a `hidden beast` number, since 4 + 65 + 3 + 79 + 494 + 21 = 666.

46537949421 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 46537949421 - 2³ = 46537949413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46537949321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1470850 + ... + 1502156.

It is an arithmetic number, because the mean of its divisors is an integer number (2948743980).

Almost surely, 2^46537949421 is an apocalyptic number.

It is an amenable number.

46537949421 is a deficient number, since it is larger than the sum of its proper divisors (24231906099).

46537949421 is a wasteful number, since it uses less digits than its factorization.

46537949421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40025 (or 40022 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 46537949421 in words is "forty-six billion, five hundred thirty-seven million, nine hundred forty-nine thousand, four hundred twenty-one".