49287697583 has 4 divisors (see below), whose sum is σ = 49292763000. Its totient is φ = 49282632168.

The previous prime is 49287697553. The next prime is 49287697609. The reversal of 49287697583 is 38579678294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38579678294 = 2 ⋅19289839147.

It is a cyclic number.

It is not a de Polignac number, because 49287697583 - 2⁶ = 49287697519 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 (49287697513) 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, 2518085 + ... + 2537582.

It is an arithmetic number, because the mean of its divisors is an integer number (12323190750).

Almost surely, 2^49287697583 is an apocalyptic number.

49287697583 is a deficient number, since it is larger than the sum of its proper divisors (5065417).

49287697583 is an equidigital number, since it uses as much as digits as its factorization.

49287697583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065416.

The product of its digits is 182891520, while the sum is 68.

The spelling of 49287697583 in words is "forty-nine billion, two hundred eighty-seven million, six hundred ninety-seven thousand, five hundred eighty-three".