102509433492 has 24 divisors (see below), whose sum is σ = 253258600896. Its totient is φ = 32159822208.

The previous prime is 102509433469. The next prime is 102509433527. The reversal of 102509433492 is 294334905201.

102509433492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 251248408 + ... + 251248815.

It is an arithmetic number, because the mean of its divisors is an integer number (10552441704).

Almost surely, 2^102509433492 is an apocalyptic number.

102509433492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102509433492 is an abundant number, since it is smaller than the sum of its proper divisors (150749167404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102509433492 is a wasteful number, since it uses less digits than its factorization.

102509433492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502497247 (or 502497245 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 102509433492 in words is "one hundred two billion, five hundred nine million, four hundred thirty-three thousand, four hundred ninety-two".