47565279539 has 4 divisors (see below), whose sum is σ = 47566310520. Its totient is φ = 47564248560.

The previous prime is 47565279533. The next prime is 47565279551. The reversal of 47565279539 is 93597256574.

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

It is a cyclic number.

It is not a de Polignac number, because 47565279539 - 2³² = 43270312243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47565279533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442877 + ... + 539694.

It is an arithmetic number, because the mean of its divisors is an integer number (11891577630).

Almost surely, 2^47565279539 is an apocalyptic number.

47565279539 is a deficient number, since it is larger than the sum of its proper divisors (1030981).

47565279539 is an equidigital number, since it uses as much as digits as its factorization.

47565279539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030980.

The product of its digits is 71442000, while the sum is 62.

The spelling of 47565279539 in words is "forty-seven billion, five hundred sixty-five million, two hundred seventy-nine thousand, five hundred thirty-nine".