102542286719 has 2 divisors, whose sum is σ = 102542286720. Its totient is φ = 102542286718.

The previous prime is 102542286667. The next prime is 102542286761. The reversal of 102542286719 is 917682245201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102542286719 is a prime.

It is a super-2 number, since 2×102542286719² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102542286019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51271143359 + 51271143360.

It is an arithmetic number, because the mean of its divisors is an integer number (51271143360).

Almost surely, 2^102542286719 is an apocalyptic number.

102542286719 is a deficient number, since it is larger than the sum of its proper divisors (1).

102542286719 is an equidigital number, since it uses as much as digits as its factorization.

102542286719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 102542286719 in words is "one hundred two billion, five hundred forty-two million, two hundred eighty-six thousand, seven hundred nineteen".