47099539 has 2 divisors, whose sum is σ = 47099540. Its totient is φ = 47099538.

The previous prime is 47099501. The next prime is 47099573. The reversal of 47099539 is 93599074.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47099539 is a prime.

It is not a weakly prime, because it can be changed into another prime (47099599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23549769 + 23549770.

It is an arithmetic number, because the mean of its divisors is an integer number (23549770).

Almost surely, 2^47099539 is an apocalyptic number.

47099539 is a deficient number, since it is larger than the sum of its proper divisors (1).

47099539 is an equidigital number, since it uses as much as digits as its factorization.

47099539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 47099539 is about 6862.9103884577. The cubic root of 47099539 is about 361.1371935787.

The spelling of 47099539 in words is "forty-seven million, ninety-nine thousand, five hundred thirty-nine".