47239963 has 2 divisors, whose sum is σ = 47239964. Its totient is φ = 47239962.

The previous prime is 47239949. The next prime is 47239987. The reversal of 47239963 is 36993274.

47239963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47239963 - 2²⁵ = 13685531 is a prime.

It is a super-2 number, since 2×47239963² = 4463228208482738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47239903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23619981 + 23619982.

It is an arithmetic number, because the mean of its divisors is an integer number (23619982).

Almost surely, 2^47239963 is an apocalyptic number.

47239963 is a deficient number, since it is larger than the sum of its proper divisors (1).

47239963 is an equidigital number, since it uses as much as digits as its factorization.

47239963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 47239963 is about 6873.1334193365. The cubic root of 47239963 is about 361.4957392972.

The spelling of 47239963 in words is "forty-seven million, two hundred thirty-nine thousand, nine hundred sixty-three".