18970748044 has 12 divisors (see below), whose sum is σ = 33209313984. Its totient is φ = 9482372624.

The previous prime is 18970748033. The next prime is 18970748047. The reversal of 18970748044 is 44084707981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18970747982 and 18970748000.

It is not an unprimeable number, because it can be changed into a prime (18970748047) 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 3 ways as a sum of consecutive naturals, for example, 736099 + ... + 761434.

It is an arithmetic number, because the mean of its divisors is an integer number (2767442832).

Almost surely, 2^18970748044 is an apocalyptic number.

It is an amenable number.

18970748044 is a deficient number, since it is larger than the sum of its proper divisors (14238565940).

18970748044 is a wasteful number, since it uses less digits than its factorization.

18970748044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500704 (or 1500702 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 18970748044 in words is "eighteen billion, nine hundred seventy million, seven hundred forty-eight thousand, forty-four".