102146277853439 has 2 divisors, whose sum is σ = 102146277853440. Its totient is φ = 102146277853438.

The previous prime is 102146277853427. The next prime is 102146277853447. The reversal of 102146277853439 is 934358772641201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102146277853439 - 2⁴⁴ = 84554091809023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102146277813439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51073138926719 + 51073138926720.

It is an arithmetic number, because the mean of its divisors is an integer number (51073138926720).

It is a 1-persistent number, because it is pandigital, but 2⋅102146277853439 = 204292555706878 is not.

Almost surely, 2^{102146277853439} is an apocalyptic number.

102146277853439 is a deficient number, since it is larger than the sum of its proper divisors (1).

102146277853439 is an equidigital number, since it uses as much as digits as its factorization.

102146277853439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 102146277853439 in words is "one hundred two trillion, one hundred forty-six billion, two hundred seventy-seven million, eight hundred fifty-three thousand, four hundred thirty-nine".