47240149871 has 2 divisors, whose sum is σ = 47240149872. Its totient is φ = 47240149870.

The previous prime is 47240149829. The next prime is 47240149919. The reversal of 47240149871 is 17894104274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47240149871 - 2¹⁸ = 47239887727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47240149171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23620074935 + 23620074936.

It is an arithmetic number, because the mean of its divisors is an integer number (23620074936).

Almost surely, 2^47240149871 is an apocalyptic number.

47240149871 is a deficient number, since it is larger than the sum of its proper divisors (1).

47240149871 is an equidigital number, since it uses as much as digits as its factorization.

47240149871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 47240149871 in words is "forty-seven billion, two hundred forty million, one hundred forty-nine thousand, eight hundred seventy-one".