46637859509 has 2 divisors, whose sum is σ = 46637859510. Its totient is φ = 46637859508.

The previous prime is 46637859503. The next prime is 46637859523. The reversal of 46637859509 is 90595873664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41716837009 + 4921022500 = 204247^2 + 70150^2 .

It is a cyclic number.

It is not a de Polignac number, because 46637859509 - 2²⁴ = 46621082293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46637859503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23318929754 + 23318929755.

It is an arithmetic number, because the mean of its divisors is an integer number (23318929755).

Almost surely, 2^46637859509 is an apocalyptic number.

It is an amenable number.

46637859509 is a deficient number, since it is larger than the sum of its proper divisors (1).

46637859509 is an equidigital number, since it uses as much as digits as its factorization.

46637859509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 46637859509 in words is "forty-six billion, six hundred thirty-seven million, eight hundred fifty-nine thousand, five hundred nine".