49136144870 has 16 divisors (see below), whose sum is σ = 88482916080. Its totient is φ = 19646045664.

The previous prime is 49136144857. The next prime is 49136144879. The reversal of 49136144870 is 7844163194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49136144879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026977 + ... + 1073756.

It is an arithmetic number, because the mean of its divisors is an integer number (5530182255).

Almost surely, 2^49136144870 is an apocalyptic number.

49136144870 is a deficient number, since it is larger than the sum of its proper divisors (39346771210).

49136144870 is a wasteful number, since it uses less digits than its factorization.

49136144870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103079.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 49136144870 in words is "forty-nine billion, one hundred thirty-six million, one hundred forty-four thousand, eight hundred seventy".