50158251643 has 2 divisors, whose sum is σ = 50158251644. Its totient is φ = 50158251642.

The previous prime is 50158251617. The next prime is 50158251659. The reversal of 50158251643 is 34615285105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50158251643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50158251596 and 50158251605.

It is not a weakly prime, because it can be changed into another prime (50158221643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25079125821 + 25079125822.

It is an arithmetic number, because the mean of its divisors is an integer number (25079125822).

Almost surely, 2^50158251643 is an apocalyptic number.

50158251643 is a deficient number, since it is larger than the sum of its proper divisors (1).

50158251643 is an equidigital number, since it uses as much as digits as its factorization.

50158251643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 50158251643 in words is "fifty billion, one hundred fifty-eight million, two hundred fifty-one thousand, six hundred forty-three".