18970759845 has 128 divisors (see below), whose sum is σ = 35906457600. Its totient is φ = 9498677760.

The previous prime is 18970759811. The next prime is 18970759849. The reversal of 18970759845 is 54895707981.

It is not a de Polignac number, because 18970759845 - 2¹¹ = 18970757797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18970759849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 213154561 + ... + 213154649.

It is an arithmetic number, because the mean of its divisors is an integer number (280519200).

Almost surely, 2^18970759845 is an apocalyptic number.

18970759845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18970759845 is a deficient number, since it is larger than the sum of its proper divisors (16935697755).

18970759845 is an frugal number, since it uses more digits than its factorization.

18970759845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 63.

The spelling of 18970759845 in words is "eighteen billion, nine hundred seventy million, seven hundred fifty-nine thousand, eight hundred forty-five".