49618561133 has 4 divisors (see below), whose sum is σ = 49626489888. Its totient is φ = 49610632380.

The previous prime is 49618561127. The next prime is 49618561159. The reversal of 49618561133 is 33116581694.

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 49618561133 - 2⁴ = 49618561117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49618561103) 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, 3954983 + ... + 3967508.

It is an arithmetic number, because the mean of its divisors is an integer number (12406622472).

Almost surely, 2^49618561133 is an apocalyptic number.

It is an amenable number.

49618561133 is a deficient number, since it is larger than the sum of its proper divisors (7928755).

49618561133 is an equidigital number, since it uses as much as digits as its factorization.

49618561133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928754.

The product of its digits is 466560, while the sum is 47.

The spelling of 49618561133 in words is "forty-nine billion, six hundred eighteen million, five hundred sixty-one thousand, one hundred thirty-three".