47138017252 has 6 divisors (see below), whose sum is σ = 82491530198. Its totient is φ = 23569008624.

The previous prime is 47138017177. The next prime is 47138017261. The reversal of 47138017252 is 25271083174.

It can be written as a sum of positive squares in only one way, i.e., 46368731556 + 769285696 = 215334^2 + 27736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5892252153 + ... + 5892252160.

Almost surely, 2^47138017252 is an apocalyptic number.

It is an amenable number.

47138017252 is a deficient number, since it is larger than the sum of its proper divisors (35353512946).

47138017252 is a wasteful number, since it uses less digits than its factorization.

47138017252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784504317 (or 11784504315 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 47138017252 in words is "forty-seven billion, one hundred thirty-eight million, seventeen thousand, two hundred fifty-two".