19674128488030 has 16 divisors (see below), whose sum is σ = 35413655767200. Its totient is φ = 7869601508832.

The previous prime is 19674128488019. The next prime is 19674128488033. The reversal of 19674128488030 is 3088482147691.

It is a super-2 number, since 2×19674128488030² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19674128488030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19674128488033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557909 + ... + 7753888.

It is an arithmetic number, because the mean of its divisors is an integer number (2213353485450).

Almost surely, 2^{19674128488030} is an apocalyptic number.

19674128488030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19674128488030 is a deficient number, since it is larger than the sum of its proper divisors (15739527279170).

19674128488030 is a wasteful number, since it uses less digits than its factorization.

19674128488030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471603.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 19674128488030 in words is "nineteen trillion, six hundred seventy-four billion, one hundred twenty-eight million, four hundred eighty-eight thousand, thirty".