6538408292 has 24 divisors (see below), whose sum is σ = 12332830776. Its totient is φ = 3015168768.

The previous prime is 6538408271. The next prime is 6538408309. The reversal of 6538408292 is 2928048356.

It can be written as a sum of positive squares in 4 ways, for example, as 23658496 + 6514749796 = 4864^2 + 80714^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9338 + ... + 114734.

It is an arithmetic number, because the mean of its divisors is an integer number (513867949).

Almost surely, 2^6538408292 is an apocalyptic number.

It is an amenable number.

6538408292 is a deficient number, since it is larger than the sum of its proper divisors (5794422484).

6538408292 is a wasteful number, since it uses less digits than its factorization.

6538408292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106607 (or 106605 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 6538408292 is about 80860.4247577268. The cubic root of 6538408292 is about 1869.9242433588.

The spelling of 6538408292 in words is "six billion, five hundred thirty-eight million, four hundred eight thousand, two hundred ninety-two".