617214679091 has 2 divisors, whose sum is σ = 617214679092. Its totient is φ = 617214679090.

The previous prime is 617214679057. The next prime is 617214679097. The reversal of 617214679091 is 190976412716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 617214679091 - 2¹⁴ = 617214662707 is a prime.

It is a super-2 number, since 2×617214679091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (617214679097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308607339545 + 308607339546.

It is an arithmetic number, because the mean of its divisors is an integer number (308607339546).

Almost surely, 2^617214679091 is an apocalyptic number.

617214679091 is a deficient number, since it is larger than the sum of its proper divisors (1).

617214679091 is an equidigital number, since it uses as much as digits as its factorization.

617214679091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 617214679091 in words is "six hundred seventeen billion, two hundred fourteen million, six hundred seventy-nine thousand, ninety-one".