47702980561 has 4 divisors (see below), whose sum is σ = 48603036852. Its totient is φ = 46802924272.

The previous prime is 47702980541. The next prime is 47702980573. The reversal of 47702980561 is 16508920774.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41658851025 + 6044129536 = 204105^2 + 77744^2 .

It is a cyclic number.

It is not a de Polignac number, because 47702980561 - 2⁷ = 47702980433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47702980541) 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, 450028066 + ... + 450028171.

It is an arithmetic number, because the mean of its divisors is an integer number (12150759213).

Almost surely, 2^47702980561 is an apocalyptic number.

It is an amenable number.

47702980561 is a deficient number, since it is larger than the sum of its proper divisors (900056291).

47702980561 is an equidigital number, since it uses as much as digits as its factorization.

47702980561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900056290.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 47702980561 in words is "forty-seven billion, seven hundred two million, nine hundred eighty thousand, five hundred sixty-one".