49791369 has 4 divisors (see below), whose sum is σ = 66388496. Its totient is φ = 33194244.

The previous prime is 49791359. The next prime is 49791373. The reversal of 49791369 is 96319794.

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 not a de Polignac number, because 49791369 - 2⁴ = 49791353 is a prime.

It is a super-2 number, since 2×49791369² = 4958360853788322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49791349) 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, 8298559 + ... + 8298564.

It is an arithmetic number, because the mean of its divisors is an integer number (16597124).

Almost surely, 2^49791369 is an apocalyptic number.

It is an amenable number.

49791369 is a deficient number, since it is larger than the sum of its proper divisors (16597127).

49791369 is a wasteful number, since it uses less digits than its factorization.

49791369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16597126.

The product of its digits is 367416, while the sum is 48.

The square root of 49791369 is about 7056.2999511075. The cubic root of 49791369 is about 367.8900334038.

The spelling of 49791369 in words is "forty-nine million, seven hundred ninety-one thousand, three hundred sixty-nine".