49688938267 has 4 divisors (see below), whose sum is σ = 49711312816. Its totient is φ = 49666563720.

The previous prime is 49688938241. The next prime is 49688938279. The reversal of 49688938267 is 76283988694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76283988694 = 2 ⋅38141994347.

It is a cyclic number.

It is not a de Polignac number, because 49688938267 - 2²⁷ = 49554720539 is a prime.

It is a super-2 number, since 2×49688938267² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49688938196 and 49688938205.

It is not an unprimeable number, because it can be changed into a prime (49688908267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11183943 + ... + 11188384.

It is an arithmetic number, because the mean of its divisors is an integer number (12427828204).

Almost surely, 2^49688938267 is an apocalyptic number.

49688938267 is a deficient number, since it is larger than the sum of its proper divisors (22374549).

49688938267 is a wasteful number, since it uses less digits than its factorization.

49688938267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22374548.

The product of its digits is 250822656, while the sum is 70.

The spelling of 49688938267 in words is "forty-nine billion, six hundred eighty-eight million, nine hundred thirty-eight thousand, two hundred sixty-seven".