49379638506 has 96 divisors (see below), whose sum is σ = 115059087360. Its totient is φ = 14068623360.

The previous prime is 49379638501. The next prime is 49379638559. The reversal of 49379638506 is 60583697394.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 49379638506.

It is not an unprimeable number, because it can be changed into a prime (49379638501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18375895 + ... + 18378581.

It is an arithmetic number, because the mean of its divisors is an integer number (1198532160).

Almost surely, 2^49379638506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49379638506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57529543680).

49379638506 is an abundant number, since it is smaller than the sum of its proper divisors (65679448854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49379638506 is a wasteful number, since it uses less digits than its factorization.

49379638506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4209 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 49379638506 in words is "forty-nine billion, three hundred seventy-nine million, six hundred thirty-eight thousand, five hundred six".