49913949593 has 4 divisors (see below), whose sum is σ = 49916099508. Its totient is φ = 49911799680.

The previous prime is 49913949581. The next prime is 49913949619. The reversal of 49913949593 is 39594931994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39594931994 = 2 ⋅19797465997.

It can be written as a sum of positive squares in 2 ways, for example, as 48187713289 + 1726236304 = 219517^2 + 41548^2 .

It is a cyclic number.

It is not a de Polignac number, because 49913949593 - 2⁶ = 49913949529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49913949893) 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, 1039748 + ... + 1086693.

It is an arithmetic number, because the mean of its divisors is an integer number (12479024877).

Almost surely, 2^49913949593 is an apocalyptic number.

It is an amenable number.

49913949593 is a deficient number, since it is larger than the sum of its proper divisors (2149915).

49913949593 is a wasteful number, since it uses less digits than its factorization.

49913949593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149914.

The product of its digits is 42515280, while the sum is 65.

The spelling of 49913949593 in words is "forty-nine billion, nine hundred thirteen million, nine hundred forty-nine thousand, five hundred ninety-three".