50899701893 has 2 divisors, whose sum is σ = 50899701894. Its totient is φ = 50899701892.

The previous prime is 50899701869. The next prime is 50899701947. The reversal of 50899701893 is 39810799805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34186900609 + 16712801284 = 184897^2 + 129278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50899701893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50899701823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25449850946 + 25449850947.

It is an arithmetic number, because the mean of its divisors is an integer number (25449850947).

Almost surely, 2^50899701893 is an apocalyptic number.

It is an amenable number.

50899701893 is a deficient number, since it is larger than the sum of its proper divisors (1).

50899701893 is an equidigital number, since it uses as much as digits as its factorization.

50899701893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 50899701893 in words is "fifty billion, eight hundred ninety-nine million, seven hundred one thousand, eight hundred ninety-three".