19433549117008 has 20 divisors (see below), whose sum is σ = 40548847677268. Its totient is φ = 8969330361600.

The previous prime is 19433549116981. The next prime is 19433549117057. The reversal of 19433549117008 is 80071194533491.

It can be written as a sum of positive squares in 2 ways, for example, as 2354604318784 + 17078944798224 = 1534472^2 + 4132668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19433549117008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46715262093 + ... + 46715262508.

Almost surely, 2^{19433549117008} is an apocalyptic number.

It is an amenable number.

19433549117008 is an abundant number, since it is smaller than the sum of its proper divisors (21115298560260).

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

19433549117008 is a wasteful number, since it uses less digits than its factorization.

19433549117008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93430524622 (or 93430524616 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 19433549117008 in words is "nineteen trillion, four hundred thirty-three billion, five hundred forty-nine million, one hundred seventeen thousand, eight".