18824970895 has 8 divisors (see below), whose sum is σ = 22797213120. Its totient is φ = 14921811360.

The previous prime is 18824970881. The next prime is 18824970949. The reversal of 18824970895 is 59807942881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-18824970895 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17270071 + ... + 17271160.

It is an arithmetic number, because the mean of its divisors is an integer number (2849651640).

Almost surely, 2^18824970895 is an apocalyptic number.

18824970895 is a deficient number, since it is larger than the sum of its proper divisors (3972242225).

18824970895 is a wasteful number, since it uses less digits than its factorization.

18824970895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34541345.

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 18824970895 in words is "eighteen billion, eight hundred twenty-four million, nine hundred seventy thousand, eight hundred ninety-five".