49312441921 has 4 divisors (see below), whose sum is σ = 49323258244. Its totient is φ = 49301625600.

The previous prime is 49312441879. The next prime is 49312441931. The reversal of 49312441921 is 12914421394.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35962950321 + 13349491600 = 189639^2 + 115540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49312441921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49312441931) 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, 5401320 + ... + 5410441.

It is an arithmetic number, because the mean of its divisors is an integer number (12330814561).

Almost surely, 2^49312441921 is an apocalyptic number.

It is an amenable number.

49312441921 is a deficient number, since it is larger than the sum of its proper divisors (10816323).

49312441921 is a wasteful number, since it uses less digits than its factorization.

49312441921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816322.

The product of its digits is 62208, while the sum is 40.

The spelling of 49312441921 in words is "forty-nine billion, three hundred twelve million, four hundred forty-one thousand, nine hundred twenty-one".