49105998609 has 4 divisors (see below), whose sum is σ = 65474664816. Its totient is φ = 32737332404.

The previous prime is 49105998493. The next prime is 49105998629. The reversal of 49105998609 is 90689950194.

49105998609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49105998609 - 2¹⁵ = 49105965841 is a prime.

It is a super-2 number, since 2×49105998609² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49105998629) 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, 8184333099 + ... + 8184333104.

It is an arithmetic number, because the mean of its divisors is an integer number (16368666204).

Almost surely, 2^49105998609 is an apocalyptic number.

It is an amenable number.

49105998609 is a deficient number, since it is larger than the sum of its proper divisors (16368666207).

49105998609 is a wasteful number, since it uses less digits than its factorization.

49105998609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368666206.

The product of its (nonzero) digits is 6298560, while the sum is 60.

The spelling of 49105998609 in words is "forty-nine billion, one hundred five million, nine hundred ninety-eight thousand, six hundred nine".