10102001542439 has 2 divisors, whose sum is σ = 10102001542440. Its totient is φ = 10102001542438.

The previous prime is 10102001542403. The next prime is 10102001542489. The reversal of 10102001542439 is 93424510020101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10102001542439 - 2⁸ = 10102001542183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102001542489) 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, 5051000771219 + 5051000771220.

It is an arithmetic number, because the mean of its divisors is an integer number (5051000771220).

Almost surely, 2^{10102001542439} is an apocalyptic number.

10102001542439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102001542439 is an equidigital number, since it uses as much as digits as its factorization.

10102001542439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 10102001542439 in words is "ten trillion, one hundred two billion, one million, five hundred forty-two thousand, four hundred thirty-nine".