102494808653 has 4 divisors (see below), whose sum is σ = 102504526080. Its totient is φ = 102485091228.

The previous prime is 102494808569. The next prime is 102494808659. The reversal of 102494808653 is 356808494201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102494808653 - 2⁸ = 102494808397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102494808659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4842875 + ... + 4863992.

It is an arithmetic number, because the mean of its divisors is an integer number (25626131520).

Almost surely, 2^102494808653 is an apocalyptic number.

It is an amenable number.

102494808653 is a deficient number, since it is larger than the sum of its proper divisors (9717427).

102494808653 is an equidigital number, since it uses as much as digits as its factorization.

102494808653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717426.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 102494808653 in words is "one hundred two billion, four hundred ninety-four million, eight hundred eight thousand, six hundred fifty-three".