46187785989 has 12 divisors (see below), whose sum is σ = 67224972672. Its totient is φ = 30556804200.

The previous prime is 46187785909. The next prime is 46187786063. The reversal of 46187785989 is 98958778164.

46187785989 is a `hidden beast` number, since 461 + 8 + 7 + 7 + 85 + 9 + 89 = 666.

It is not a de Polignac number, because 46187785989 - 2⁹ = 46187785477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46187785909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19586517 + ... + 19588874.

It is an arithmetic number, because the mean of its divisors is an integer number (5602081056).

Almost surely, 2^46187785989 is an apocalyptic number.

It is an amenable number.

46187785989 is a deficient number, since it is larger than the sum of its proper divisors (21037186683).

46187785989 is a wasteful number, since it uses less digits than its factorization.

46187785989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39175528 (or 39175525 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 72.

The spelling of 46187785989 in words is "forty-six billion, one hundred eighty-seven million, seven hundred eighty-five thousand, nine hundred eighty-nine".