49156931413 has 4 divisors (see below), whose sum is σ = 49159162080. Its totient is φ = 49154700748.

The previous prime is 49156931399. The next prime is 49156931431. The reversal of 49156931413 is 31413965194.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49156931413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49156911413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081945 + ... + 1126462.

It is an arithmetic number, because the mean of its divisors is an integer number (12289790520).

Almost surely, 2^49156931413 is an apocalyptic number.

It is an amenable number.

49156931413 is a deficient number, since it is larger than the sum of its proper divisors (2230667).

49156931413 is a wasteful number, since it uses less digits than its factorization.

49156931413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230666.

The product of its digits is 349920, while the sum is 46.

The spelling of 49156931413 in words is "forty-nine billion, one hundred fifty-six million, nine hundred thirty-one thousand, four hundred thirteen".