2091253575959 has 2 divisors, whose sum is σ = 2091253575960. Its totient is φ = 2091253575958.

The previous prime is 2091253575871. The next prime is 2091253575979. The reversal of 2091253575959 is 9595753521902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2091253575959 - 2¹² = 2091253571863 is a prime.

It is a super-2 number, since 2×2091253575959² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091253575979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045626787979 + 1045626787980.

It is an arithmetic number, because the mean of its divisors is an integer number (1045626787980).

Almost surely, 2^{2091253575959} is an apocalyptic number.

2091253575959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091253575959 is an equidigital number, since it uses as much as digits as its factorization.

2091253575959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38272500, while the sum is 62.

The spelling of 2091253575959 in words is "two trillion, ninety-one billion, two hundred fifty-three million, five hundred seventy-five thousand, nine hundred fifty-nine".