102317454859 has 2 divisors, whose sum is σ = 102317454860. Its totient is φ = 102317454858.

The previous prime is 102317454817. The next prime is 102317454881. The reversal of 102317454859 is 958454713201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102317454859 - 2¹⁵ = 102317422091 is a prime.

It is not a weakly prime, because it can be changed into another prime (102317454809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51158727429 + 51158727430.

It is an arithmetic number, because the mean of its divisors is an integer number (51158727430).

Almost surely, 2^102317454859 is an apocalyptic number.

102317454859 is a deficient number, since it is larger than the sum of its proper divisors (1).

102317454859 is an equidigital number, since it uses as much as digits as its factorization.

102317454859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 102317454859 in words is "one hundred two billion, three hundred seventeen million, four hundred fifty-four thousand, eight hundred fifty-nine".