19498137712260 has 96 divisors (see below), whose sum is σ = 55577037637632. Its totient is φ = 5106424498560.

The previous prime is 19498137712259. The next prime is 19498137712279. The reversal of 19498137712260 is 6221773189491.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 19498137712194 and 19498137712203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5996092 + ... + 8657331.

It is an arithmetic number, because the mean of its divisors is an integer number (578927475392).

Almost surely, 2^{19498137712260} is an apocalyptic number.

19498137712260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19498137712260 is an abundant number, since it is smaller than the sum of its proper divisors (36078899925372).

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

19498137712260 is a wasteful number, since it uses less digits than its factorization.

19498137712260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14653833 (or 14653831 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 19498137712260 in words is "nineteen trillion, four hundred ninety-eight billion, one hundred thirty-seven million, seven hundred twelve thousand, two hundred sixty".