19017860712002 has 16 divisors (see below), whose sum is σ = 28681743249432. Its totient is φ = 9457372277760.

The previous prime is 19017860711953. The next prime is 19017860712073. The reversal of 19017860712002 is 20021706871091.

It can be written as a sum of positive squares in 4 ways, for example, as 7315721248081 + 11702139463921 = 2704759^2 + 3420839^2 .

It is a super-2 number, since 2×19017860712002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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, 22751123 + ... + 23572214.

Almost surely, 2^{19017860712002} is an apocalyptic number.

19017860712002 is a deficient number, since it is larger than the sum of its proper divisors (9663882537430).

19017860712002 is a wasteful number, since it uses less digits than its factorization.

19017860712002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46324453.

The product of its (nonzero) digits is 84672, while the sum is 44.

The spelling of 19017860712002 in words is "nineteen trillion, seventeen billion, eight hundred sixty million, seven hundred twelve thousand, two".