49398813249 has 4 divisors (see below), whose sum is σ = 65865084336. Its totient is φ = 32932542164.

The previous prime is 49398813221. The next prime is 49398813253. The reversal of 49398813249 is 94231889394.

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 not a de Polignac number, because 49398813249 - 2⁹ = 49398812737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49398813192 and 49398813201.

It is not an unprimeable number, because it can be changed into a prime (49398811249) 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, 8233135539 + ... + 8233135544.

It is an arithmetic number, because the mean of its divisors is an integer number (16466271084).

Almost surely, 2^49398813249 is an apocalyptic number.

It is an amenable number.

49398813249 is a deficient number, since it is larger than the sum of its proper divisors (16466271087).

49398813249 is a wasteful number, since it uses less digits than its factorization.

49398813249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16466271086.

The product of its digits is 13436928, while the sum is 60.

It can be divided in two parts, 4939 and 8813249, that added together give a palindrome (8818188).

The spelling of 49398813249 in words is "forty-nine billion, three hundred ninety-eight million, eight hundred thirteen thousand, two hundred forty-nine".