46421430561 has 20 divisors (see below), whose sum is σ = 75649740144. Its totient is φ = 28134199800.

The previous prime is 46421430551. The next prime is 46421430563. The reversal of 46421430561 is 16503412464.

46421430561 is a `hidden beast` number, since 4 + 64 + 2 + 1 + 4 + 30 + 561 = 666.

It is not a de Polignac number, because 46421430561 - 2⁹ = 46421430049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46421430563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26049295 + ... + 26051076.

Almost surely, 2^46421430561 is an apocalyptic number.

It is an amenable number.

46421430561 is a deficient number, since it is larger than the sum of its proper divisors (29228309583).

46421430561 is a wasteful number, since it uses less digits than its factorization.

46421430561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52100394 (or 52100385 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 46421430561 in words is "forty-six billion, four hundred twenty-one million, four hundred thirty thousand, five hundred sixty-one".