49769079749 has 4 divisors (see below), whose sum is σ = 49771176864. Its totient is φ = 49766982636.

The previous prime is 49769079743. The next prime is 49769079751. The reversal of 49769079749 is 94797096794.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94797096794 = 2 ⋅47398548397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49769079749 is a prime.

It is a super-2 number, since 2×49769079749² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49769079743) 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, 1012547 + ... + 1060560.

It is an arithmetic number, because the mean of its divisors is an integer number (12442794216).

Almost surely, 2^49769079749 is an apocalyptic number.

It is an amenable number.

49769079749 is a deficient number, since it is larger than the sum of its proper divisors (2097115).

49769079749 is a wasteful number, since it uses less digits than its factorization.

49769079749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097114.

The product of its (nonzero) digits is 216040608, while the sum is 71.

The spelling of 49769079749 in words is "forty-nine billion, seven hundred sixty-nine million, seventy-nine thousand, seven hundred forty-nine".