102742956988069 has 16 divisors (see below), whose sum is σ = 106542896650240. Its totient is φ = 98974020528000.

The previous prime is 102742956988043. The next prime is 102742956988093. The reversal of 102742956988069 is 960889659247201.

It is a cyclic number.

It is not a de Polignac number, because 102742956988069 - 2⁹ = 102742956987557 is a prime.

It is a super-2 number, since 2×102742956988069² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102742956987986 and 102742956988004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102742956988039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068499 + ... + 14900959.

It is an arithmetic number, because the mean of its divisors is an integer number (6658931040640).

Almost surely, 2^{102742956988069} is an apocalyptic number.

It is an amenable number.

102742956988069 is a deficient number, since it is larger than the sum of its proper divisors (3799939662171).

102742956988069 is a wasteful number, since it uses less digits than its factorization.

102742956988069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833892.

The product of its (nonzero) digits is 940584960, while the sum is 76.

The spelling of 102742956988069 in words is "one hundred two trillion, seven hundred forty-two billion, nine hundred fifty-six million, nine hundred eighty-eight thousand, sixty-nine".