47874195449 has 2 divisors, whose sum is σ = 47874195450. Its totient is φ = 47874195448.

The previous prime is 47874195361. The next prime is 47874195487. The reversal of 47874195449 is 94459147874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34361295424 + 13512900025 = 185368^2 + 116245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47874195449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47874195391 and 47874195400.

It is not a weakly prime, because it can be changed into another prime (47874195049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23937097724 + 23937097725.

It is an arithmetic number, because the mean of its divisors is an integer number (23937097725).

Almost surely, 2^47874195449 is an apocalyptic number.

It is an amenable number.

47874195449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47874195449 is an equidigital number, since it uses as much as digits as its factorization.

47874195449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 62.

The spelling of 47874195449 in words is "forty-seven billion, eight hundred seventy-four million, one hundred ninety-five thousand, four hundred forty-nine".