47919399025 has 9 divisors (see below), whose sum is σ = 59421412033. Its totient is φ = 38334643600.

The previous prime is 47919398987. The next prime is 47919399067. The reversal of 47919399025 is 52099391974.

The square root of 47919399025 is 218905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13001244529 + 34918154496 = 114023^2 + 186864^2 .

It is not a de Polignac number, because 47919399025 - 2⁷ = 47919398897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1072635 + ... + 1116415.

Almost surely, 2^47919399025 is an apocalyptic number.

47919399025 is the 218905-th square number.

47919399025 is the 109453-rd centered octagonal number.

It is an amenable number.

47919399025 is a deficient number, since it is larger than the sum of its proper divisors (11502013008).

47919399025 is an frugal number, since it uses more digits than its factorization.

47919399025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87572 (or 43786 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 47919399025 in words is "forty-seven billion, nine hundred nineteen million, three hundred ninety-nine thousand, twenty-five".