49500989863 has 4 divisors (see below), whose sum is σ = 53308758328. Its totient is φ = 45693221400.

The previous prime is 49500989843. The next prime is 49500989899. The reversal of 49500989863 is 36898900594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36898900594 = 2 ⋅18449450297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49500989863 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 (49500989843) 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, 1903884213 + ... + 1903884238.

It is an arithmetic number, because the mean of its divisors is an integer number (13327189582).

Almost surely, 2^49500989863 is an apocalyptic number.

49500989863 is a deficient number, since it is larger than the sum of its proper divisors (3807768465).

49500989863 is a wasteful number, since it uses less digits than its factorization.

49500989863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807768464.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 49500989863 in words is "forty-nine billion, five hundred million, nine hundred eighty-nine thousand, eight hundred sixty-three".