18428972513370 has 16 divisors (see below), whose sum is σ = 44229534032160. Its totient is φ = 4914392670224.

The previous prime is 18428972513297. The next prime is 18428972513377. The reversal of 18428972513370 is 7331527982481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18428972513377) 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 7 ways as a sum of consecutive naturals, for example, 307149541860 + ... + 307149541919.

It is an arithmetic number, because the mean of its divisors is an integer number (2764345877010).

Almost surely, 2^{18428972513370} is an apocalyptic number.

18428972513370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18428972513370 is an abundant number, since it is smaller than the sum of its proper divisors (25800561518790).

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

18428972513370 is a wasteful number, since it uses less digits than its factorization.

18428972513370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614299083789.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 18428972513370 in words is "eighteen trillion, four hundred twenty-eight billion, nine hundred seventy-two million, five hundred thirteen thousand, three hundred seventy".