49160612521 has 4 divisors (see below), whose sum is σ = 51748013200. Its totient is φ = 46573211844.

The previous prime is 49160612497. The next prime is 49160612533. The reversal of 49160612521 is 12521606194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49160612521 - 2⁹ = 49160612009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49160612581) 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 3 ways as a sum of consecutive naturals, for example, 1293700311 + ... + 1293700348.

It is an arithmetic number, because the mean of its divisors is an integer number (12937003300).

Almost surely, 2^49160612521 is an apocalyptic number.

It is an amenable number.

49160612521 is a deficient number, since it is larger than the sum of its proper divisors (2587400679).

49160612521 is a wasteful number, since it uses less digits than its factorization.

49160612521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587400678.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 49160612521 in words is "forty-nine billion, one hundred sixty million, six hundred twelve thousand, five hundred twenty-one".