19318102036 has 12 divisors (see below), whose sum is σ = 33809593300. Its totient is φ = 9658218240.

The previous prime is 19318102019. The next prime is 19318102051. The reversal of 19318102036 is 63020181391.

It can be written as a sum of positive squares in 2 ways, for example, as 2762133136 + 16555968900 = 52556^2 + 128670^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19318101992 and 19318102010.

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, 154461 + ... + 249988.

Almost surely, 2^19318102036 is an apocalyptic number.

It is an amenable number.

19318102036 is a deficient number, since it is larger than the sum of its proper divisors (14491491264).

19318102036 is a wasteful number, since it uses less digits than its factorization.

19318102036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416394 (or 416392 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 19318102036 in words is "nineteen billion, three hundred eighteen million, one hundred two thousand, thirty-six".