102648450397439 has 2 divisors, whose sum is σ = 102648450397440. Its totient is φ = 102648450397438.

The previous prime is 102648450397433. The next prime is 102648450397463. The reversal of 102648450397439 is 934793054846201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102648450397439 - 2²⁴ = 102648433620223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102648450397433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51324225198719 + 51324225198720.

It is an arithmetic number, because the mean of its divisors is an integer number (51324225198720).

It is a 1-persistent number, because it is pandigital, but 2⋅102648450397439 = 205296900794878 is not.

Almost surely, 2^{102648450397439} is an apocalyptic number.

102648450397439 is a deficient number, since it is larger than the sum of its proper divisors (1).

102648450397439 is an equidigital number, since it uses as much as digits as its factorization.

102648450397439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 65.

The spelling of 102648450397439 in words is "one hundred two trillion, six hundred forty-eight billion, four hundred fifty million, three hundred ninety-seven thousand, four hundred thirty-nine".