530399850991 has 2 divisors, whose sum is σ = 530399850992. Its totient is φ = 530399850990.

The previous prime is 530399850949. The next prime is 530399851019. The reversal of 530399850991 is 199058993035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530399850991 - 2¹⁷ = 530399719919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530399800991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265199925495 + 265199925496.

It is an arithmetic number, because the mean of its divisors is an integer number (265199925496).

Almost surely, 2^530399850991 is an apocalyptic number.

530399850991 is a deficient number, since it is larger than the sum of its proper divisors (1).

530399850991 is an equidigital number, since it uses as much as digits as its factorization.

530399850991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11809800, while the sum is 61.

The spelling of 530399850991 in words is "five hundred thirty billion, three hundred ninety-nine million, eight hundred fifty thousand, nine hundred ninety-one".