102536192919 has 4 divisors (see below), whose sum is σ = 136714923896. Its totient is φ = 68357461944.

The previous prime is 102536192887. The next prime is 102536192953. The reversal of 102536192919 is 919291635201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102536192919 - 2⁵ = 102536192887 is a prime.

It is a super-2 number, since 2×102536192919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102536194919) 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, 17089365484 + ... + 17089365489.

It is an arithmetic number, because the mean of its divisors is an integer number (34178730974).

Almost surely, 2^102536192919 is an apocalyptic number.

102536192919 is a deficient number, since it is larger than the sum of its proper divisors (34178730977).

102536192919 is an equidigital number, since it uses as much as digits as its factorization.

102536192919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34178730976.

The product of its (nonzero) digits is 262440, while the sum is 48.

The spelling of 102536192919 in words is "one hundred two billion, five hundred thirty-six million, one hundred ninety-two thousand, nine hundred nineteen".