49997257633 has 8 divisors (see below), whose sum is σ = 51529484160. Its totient is φ = 48484550160.

The previous prime is 49997257631. The next prime is 49997257649. The reversal of 49997257633 is 33675279994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49997257633 - 2¹ = 49997257631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49997257631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874563 + ... + 4884808.

It is an arithmetic number, because the mean of its divisors is an integer number (6441185520).

Almost surely, 2^49997257633 is an apocalyptic number.

It is an amenable number.

49997257633 is a deficient number, since it is larger than the sum of its proper divisors (1532226527).

49997257633 is a wasteful number, since it uses less digits than its factorization.

49997257633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759527.

The product of its digits is 77157360, while the sum is 64.

The spelling of 49997257633 in words is "forty-nine billion, nine hundred ninety-seven million, two hundred fifty-seven thousand, six hundred thirty-three".