49249615073 has 4 divisors (see below), whose sum is σ = 49278434580. Its totient is φ = 49220795568.

The previous prime is 49249615061. The next prime is 49249615249. The reversal of 49249615073 is 37051694294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24508841809 + 24740773264 = 156553^2 + 157292^2 .

It is a cyclic number.

It is not a de Polignac number, because 49249615073 - 2¹⁶ = 49249549537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49249615673) 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, 14407190 + ... + 14410607.

It is an arithmetic number, because the mean of its divisors is an integer number (12319608645).

Almost surely, 2^49249615073 is an apocalyptic number.

It is an amenable number.

49249615073 is a deficient number, since it is larger than the sum of its proper divisors (28819507).

49249615073 is a wasteful number, since it uses less digits than its factorization.

49249615073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28819506.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 49249615073 in words is "forty-nine billion, two hundred forty-nine million, six hundred fifteen thousand, seventy-three".