49967276993 has 4 divisors (see below), whose sum is σ = 51185991108. Its totient is φ = 48748562880.

The previous prime is 49967276987. The next prime is 49967277011. The reversal of 49967276993 is 39967276994.

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 27625099264 + 22342177729 = 166208^2 + 149473^2 .

It is a cyclic number.

It is not a de Polignac number, because 49967276993 - 2¹⁶ = 49967211457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49967276963) 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, 609356996 + ... + 609357077.

It is an arithmetic number, because the mean of its divisors is an integer number (12796497777).

Almost surely, 2^49967276993 is an apocalyptic number.

It is an amenable number.

49967276993 is a deficient number, since it is larger than the sum of its proper divisors (1218714115).

49967276993 is a wasteful number, since it uses less digits than its factorization.

49967276993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218714114.

The product of its digits is 277766496, while the sum is 71.

Subtracting from 49967276993 its reverse (39967276994), we obtain a palindrome (9999999999).

The spelling of 49967276993 in words is "forty-nine billion, nine hundred sixty-seven million, two hundred seventy-six thousand, nine hundred ninety-three".