504349950991 has 2 divisors, whose sum is σ = 504349950992. Its totient is φ = 504349950990.

The previous prime is 504349950943. The next prime is 504349951019. The reversal of 504349950991 is 199059943405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504349950991 - 2¹³ = 504349942799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504349950191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252174975495 + 252174975496.

It is an arithmetic number, because the mean of its divisors is an integer number (252174975496).

Almost surely, 2^504349950991 is an apocalyptic number.

504349950991 is a deficient number, since it is larger than the sum of its proper divisors (1).

504349950991 is an equidigital number, since it uses as much as digits as its factorization.

504349950991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7873200, while the sum is 58.

The spelling of 504349950991 in words is "five hundred four billion, three hundred forty-nine million, nine hundred fifty thousand, nine hundred ninety-one".