46431245421 has 72 divisors (see below), whose sum is σ = 78759131360. Its totient is φ = 26260407360.

The previous prime is 46431245309. The next prime is 46431245429. The reversal of 46431245421 is 12454213464.

46431245421 is a `hidden beast` number, since 4 + 64 + 31 + 24 + 542 + 1 = 666.

46431245421 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 46431245421 - 2¹¹ = 46431243373 is a prime.

46431245421 is a modest number, since divided by 245421 gives 46431 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46431245429) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1369551 + ... + 1403043.

Almost surely, 2^46431245421 is an apocalyptic number.

It is an amenable number.

46431245421 is a deficient number, since it is larger than the sum of its proper divisors (32327885939).

46431245421 is a wasteful number, since it uses less digits than its factorization.

46431245421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33607 (or 33593 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 46431245421 its reverse (12454213464), we get a palindrome (58885458885).

The spelling of 46431245421 in words is "forty-six billion, four hundred thirty-one million, two hundred forty-five thousand, four hundred twenty-one".