504349950191 has 2 divisors, whose sum is σ = 504349950192. Its totient is φ = 504349950190.

The previous prime is 504349950179. The next prime is 504349950263. The reversal of 504349950191 is 191059943405.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504349950191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504349950151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252174975095 + 252174975096.

It is an arithmetic number, because the mean of its divisors is an integer number (252174975096).

Almost surely, 2^504349950191 is an apocalyptic number.

504349950191 is a deficient number, since it is larger than the sum of its proper divisors (1).

504349950191 is an equidigital number, since it uses as much as digits as its factorization.

504349950191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 504349950191 in words is "five hundred four billion, three hundred forty-nine million, nine hundred fifty thousand, one hundred ninety-one".