47152139572 has 24 divisors (see below), whose sum is σ = 83227273416. Its totient is φ = 23373754368.

The previous prime is 47152139509. The next prime is 47152139579. The reversal of 47152139572 is 27593125174.

It can be written as a sum of positive squares in 4 ways, for example, as 4734265636 + 42417873936 = 68806^2 + 205956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47152139579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121968 + ... + 330424.

It is an arithmetic number, because the mean of its divisors is an integer number (3467803059).

Almost surely, 2^47152139572 is an apocalyptic number.

It is an amenable number.

47152139572 is a deficient number, since it is larger than the sum of its proper divisors (36075133844).

47152139572 is a wasteful number, since it uses less digits than its factorization.

47152139572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208947 (or 208945 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The spelling of 47152139572 in words is "forty-seven billion, one hundred fifty-two million, one hundred thirty-nine thousand, five hundred seventy-two".