46687660618 has 4 divisors (see below), whose sum is σ = 70031490930. Its totient is φ = 23343830308.

The previous prime is 46687660571. The next prime is 46687660667. The reversal of 46687660618 is 81606678664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36681059529 + 10006601089 = 191523^2 + 100033^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11671915153 + ... + 11671915156.

Almost surely, 2^46687660618 is an apocalyptic number.

46687660618 is a deficient number, since it is larger than the sum of its proper divisors (23343830312).

46687660618 is a wasteful number, since it uses less digits than its factorization.

46687660618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23343830311.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 46687660618 in words is "forty-six billion, six hundred eighty-seven million, six hundred sixty thousand, six hundred eighteen".