102042980839 has 2 divisors, whose sum is σ = 102042980840. Its totient is φ = 102042980838.

The previous prime is 102042980807. The next prime is 102042980887. The reversal of 102042980839 is 938089240201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102042980839 - 2⁵ = 102042980807 is a prime.

It is a super-2 number, since 2×102042980839² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102042920839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51021490419 + 51021490420.

It is an arithmetic number, because the mean of its divisors is an integer number (51021490420).

Almost surely, 2^102042980839 is an apocalyptic number.

102042980839 is a deficient number, since it is larger than the sum of its proper divisors (1).

102042980839 is an equidigital number, since it uses as much as digits as its factorization.

102042980839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 102042980839 in words is "one hundred two billion, forty-two million, nine hundred eighty thousand, eight hundred thirty-nine".