18968634470 has 16 divisors (see below), whose sum is σ = 34145156880. Its totient is φ = 7587094944.

The previous prime is 18968634427. The next prime is 18968634473. The reversal of 18968634470 is 7443686981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18968634473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313436 + ... + 369024.

It is an arithmetic number, because the mean of its divisors is an integer number (2134072305).

Almost surely, 2^18968634470 is an apocalyptic number.

18968634470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18968634470 is a deficient number, since it is larger than the sum of its proper divisors (15176522410).

18968634470 is a wasteful number, since it uses less digits than its factorization.

18968634470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89719.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 18968634470 in words is "eighteen billion, nine hundred sixty-eight million, six hundred thirty-four thousand, four hundred seventy".