47192449 has 2 divisors, whose sum is σ = 47192450. Its totient is φ = 47192448.

The previous prime is 47192443. The next prime is 47192491. The reversal of 47192449 is 94429174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 16056049 = 5580^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 47192449 - 2⁵ = 47192417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47192443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23596224 + 23596225.

It is an arithmetic number, because the mean of its divisors is an integer number (23596225).

Almost surely, 2^47192449 is an apocalyptic number.

It is an amenable number.

47192449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47192449 is an equidigital number, since it uses as much as digits as its factorization.

47192449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 47192449 is about 6869.6760476750. The cubic root of 47192449 is about 361.3745010541.

The spelling of 47192449 in words is "forty-seven million, one hundred ninety-two thousand, four hundred forty-nine".