49637647497 has 8 divisors (see below), whose sum is σ = 69666873760. Its totient is φ = 31350093120.

The previous prime is 49637647487. The next prime is 49637647513. The reversal of 49637647497 is 79474673694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-49637647497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49637647417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435417904 + ... + 435418017.

It is an arithmetic number, because the mean of its divisors is an integer number (8708359220).

Almost surely, 2^49637647497 is an apocalyptic number.

It is an amenable number.

49637647497 is a deficient number, since it is larger than the sum of its proper divisors (20029226263).

49637647497 is a wasteful number, since it uses less digits than its factorization.

49637647497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870835943.

The product of its digits is 192036096, while the sum is 66.

The spelling of 49637647497 in words is "forty-nine billion, six hundred thirty-seven million, six hundred forty-seven thousand, four hundred ninety-seven".