49177962498789 has 24 divisors (see below), whose sum is σ = 71355725033112. Its totient is φ = 32637268308480.

The previous prime is 49177962498779. The next prime is 49177962498809. The reversal of 49177962498789 is 98789426977194.

49177962498789 is a `hidden beast` number, since 49 + 1 + 7 + 7 + 9 + 6 + 2 + 498 + 78 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2899425672900 + 46278536825889 = 1702770^2 + 6802833^2 .

It is not a de Polignac number, because 49177962498789 - 2⁹ = 49177962498277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49177962498699 and 49177962498708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49177962498779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6715459 + ... + 11977199.

It is an arithmetic number, because the mean of its divisors is an integer number (2973155209713).

Almost surely, 2^{49177962498789} is an apocalyptic number.

It is an amenable number.

49177962498789 is a deficient number, since it is larger than the sum of its proper divisors (22177762534323).

49177962498789 is a wasteful number, since it uses less digits than its factorization.

49177962498789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266437 (or 5266434 counting only the distinct ones).

The product of its digits is 27653197824, while the sum is 90.

The spelling of 49177962498789 in words is "forty-nine trillion, one hundred seventy-seven billion, nine hundred sixty-two million, four hundred ninety-eight thousand, seven hundred eighty-nine".