19674128488031 has 32 divisors (see below), whose sum is σ = 20282335295040. Its totient is φ = 19072555315200.

The previous prime is 19674128488019. The next prime is 19674128488033. The reversal of 19674128488031 is 13088482147691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19674128488031 is a prime.

It is a super-2 number, since 2×19674128488031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 5546693600 + ... + 5546697146.

It is an arithmetic number, because the mean of its divisors is an integer number (633822977970).

Almost surely, 2^{19674128488031} is an apocalyptic number.

19674128488031 is a deficient number, since it is larger than the sum of its proper divisors (608206807009).

19674128488031 is a wasteful number, since it uses less digits than its factorization.

19674128488031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 19674128488031 in words is "nineteen trillion, six hundred seventy-four billion, one hundred twenty-eight million, four hundred eighty-eight thousand, thirty-one".