50097390397 has 4 divisors (see below), whose sum is σ = 50113643040. Its totient is φ = 50081137756.

The previous prime is 50097390391. The next prime is 50097390419. The reversal of 50097390397 is 79309379005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79309379005 = 5 ⋅15861875801.

It is a cyclic number.

It is not a de Polignac number, because 50097390397 - 2³¹ = 47949906749 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 (50097390391) 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, 8121697 + ... + 8127862.

It is an arithmetic number, because the mean of its divisors is an integer number (12528410760).

Almost surely, 2^50097390397 is an apocalyptic number.

It is an amenable number.

50097390397 is a deficient number, since it is larger than the sum of its proper divisors (16252643).

50097390397 is a wasteful number, since it uses less digits than its factorization.

50097390397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252642.

The product of its (nonzero) digits is 1607445, while the sum is 52.

The spelling of 50097390397 in words is "fifty billion, ninety-seven million, three hundred ninety thousand, three hundred ninety-seven".