3947050507492 has 12 divisors (see below), whose sum is σ = 6927130191100. Its totient is φ = 1967870452896.

The previous prime is 3947050507487. The next prime is 3947050507501. The reversal of 3947050507492 is 2947050507493.

It can be written as a sum of positive squares in 2 ways, for example, as 1833678889956 + 2113371617536 = 1354134^2 + 1453744^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413698643 + ... + 1413701434.

Almost surely, 2^{3947050507492} is an apocalyptic number.

It is an amenable number.

3947050507492 is a deficient number, since it is larger than the sum of its proper divisors (2980079683608).

3947050507492 is a wasteful number, since it uses less digits than its factorization.

3947050507492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827400430 (or 2827400428 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 55.

Subtracting from 3947050507492 its reverse (2947050507493), we obtain a palindrome (999999999999).

The spelling of 3947050507492 in words is "three trillion, nine hundred forty-seven billion, fifty million, five hundred seven thousand, four hundred ninety-two".