19396826543612 has 48 divisors (see below), whose sum is σ = 41021770137600. Its totient is φ = 7848552931200.

The previous prime is 19396826543599. The next prime is 19396826543657. The reversal of 19396826543612 is 21634562869391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272483612 + ... + 272554787.

It is an arithmetic number, because the mean of its divisors is an integer number (854620211200).

Almost surely, 2^{19396826543612} is an apocalyptic number.

It is an amenable number.

19396826543612 is an abundant number, since it is smaller than the sum of its proper divisors (21624943593988).

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

19396826543612 is a wasteful number, since it uses less digits than its factorization.

19396826543612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545038482 (or 545038480 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 65.

The spelling of 19396826543612 in words is "nineteen trillion, three hundred ninety-six billion, eight hundred twenty-six million, five hundred forty-three thousand, six hundred twelve".