47662669945 has 64 divisors (see below), whose sum is σ = 65407813632. Its totient is φ = 33037056000.

The previous prime is 47662669937. The next prime is 47662669949. The reversal of 47662669945 is 54996626674.

It is not a de Polignac number, because 47662669945 - 2³ = 47662669937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47662669949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21595032 + ... + 21597238.

It is an arithmetic number, because the mean of its divisors is an integer number (1021997088).

Almost surely, 2^47662669945 is an apocalyptic number.

It is an amenable number.

47662669945 is a deficient number, since it is larger than the sum of its proper divisors (17745143687).

47662669945 is a wasteful number, since it uses less digits than its factorization.

47662669945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482.

The product of its digits is 117573120, while the sum is 64.

The spelling of 47662669945 in words is "forty-seven billion, six hundred sixty-two million, six hundred sixty-nine thousand, nine hundred forty-five".