102438930863 has 4 divisors (see below), whose sum is σ = 107830453560. Its totient is φ = 97047408168.

The previous prime is 102438930817. The next prime is 102438930907. The reversal of 102438930863 is 368039834201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102438930863 - 2⁶ = 102438930799 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 (102438930563) 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, 2695761320 + ... + 2695761357.

It is an arithmetic number, because the mean of its divisors is an integer number (26957613390).

Almost surely, 2^102438930863 is an apocalyptic number.

102438930863 is a deficient number, since it is larger than the sum of its proper divisors (5391522697).

102438930863 is an equidigital number, since it uses as much as digits as its factorization.

102438930863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391522696.

The product of its (nonzero) digits is 746496, while the sum is 47.

It can be divided in two parts, 102438 and 930863, that added together give a palindrome (1033301).

The spelling of 102438930863 in words is "one hundred two billion, four hundred thirty-eight million, nine hundred thirty thousand, eight hundred sixty-three".