49481972733 has 4 divisors (see below), whose sum is σ = 65975963648. Its totient is φ = 32987981820.

The previous prime is 49481972713. The next prime is 49481972747. The reversal of 49481972733 is 33727918494.

It is a happy number.

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 49481972733 - 2²² = 49477778429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49481972713) 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, 8246995453 + ... + 8246995458.

It is an arithmetic number, because the mean of its divisors is an integer number (16493990912).

Almost surely, 2^49481972733 is an apocalyptic number.

It is an amenable number.

49481972733 is a deficient number, since it is larger than the sum of its proper divisors (16493990915).

49481972733 is a wasteful number, since it uses less digits than its factorization.

49481972733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16493990914.

The product of its digits is 9144576, while the sum is 57.

The spelling of 49481972733 in words is "forty-nine billion, four hundred eighty-one million, nine hundred seventy-two thousand, seven hundred thirty-three".