49491833953 has 4 divisors (see below), whose sum is σ = 49583316628. Its totient is φ = 49400351280.

The previous prime is 49491833947. The next prime is 49491833971. The reversal of 49491833953 is 35933819494.

It is a happy number.

49491833953 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.

It can be written as a sum of positive squares in 2 ways, for example, as 35414723344 + 14077110609 = 188188^2 + 118647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49491833953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49491830953) 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, 45740526 + ... + 45741607.

It is an arithmetic number, because the mean of its divisors is an integer number (12395829157).

Almost surely, 2^49491833953 is an apocalyptic number.

It is an amenable number.

49491833953 is a deficient number, since it is larger than the sum of its proper divisors (91482675).

49491833953 is an equidigital number, since it uses as much as digits as its factorization.

49491833953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91482674.

The product of its digits is 12597120, while the sum is 58.

The spelling of 49491833953 in words is "forty-nine billion, four hundred ninety-one million, eight hundred thirty-three thousand, nine hundred fifty-three".