18847810950 has 48 divisors (see below), whose sum is σ = 49202713920. Its totient is φ = 4761551520.

The previous prime is 18847810939. The next prime is 18847810967. The reversal of 18847810950 is 5901874881.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18847810893 and 18847810902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3303784 + ... + 3309483.

It is an arithmetic number, because the mean of its divisors is an integer number (1025056540).

Almost surely, 2^18847810950 is an apocalyptic number.

18847810950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18847810950 is an abundant number, since it is smaller than the sum of its proper divisors (30354902970).

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

18847810950 is a wasteful number, since it uses less digits than its factorization.

18847810950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613301 (or 6613296 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 51.

The spelling of 18847810950 in words is "eighteen billion, eight hundred forty-seven million, eight hundred ten thousand, nine hundred fifty".