102439896484201 has 2 divisors, whose sum is σ = 102439896484202. Its totient is φ = 102439896484200.

The previous prime is 102439896484127. The next prime is 102439896484213. The reversal of 102439896484201 is 102484698934201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99867244089600 + 2572652394601 = 9993360^2 + 1603949^2 .

It is a cyclic number.

It is not a de Polignac number, because 102439896484201 - 2³³ = 102431306549609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102439896484201.

It is not a weakly prime, because it can be changed into another prime (102439896484241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51219948242100 + 51219948242101.

It is an arithmetic number, because the mean of its divisors is an integer number (51219948242101).

Almost surely, 2^{102439896484201} is an apocalyptic number.

It is an amenable number.

102439896484201 is a deficient number, since it is larger than the sum of its proper divisors (1).

102439896484201 is an equidigital number, since it uses as much as digits as its factorization.

102439896484201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 102439896484201 in words is "one hundred two trillion, four hundred thirty-nine billion, eight hundred ninety-six million, four hundred eighty-four thousand, two hundred one".