19699690539006 has 24 divisors (see below), whose sum is σ = 42897148585200. Its totient is φ = 6533565705216.

The previous prime is 19699690538999. The next prime is 19699690539019. The reversal of 19699690539006 is 60093509699691.

19699690539006 is a `hidden beast` number, since 1 + 9 + 69 + 96 + 90 + 5 + 390 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2749813635 + ... + 2749820798.

It is an arithmetic number, because the mean of its divisors is an integer number (1787381191050).

Almost surely, 2^{19699690539006} is an apocalyptic number.

19699690539006 is an abundant number, since it is smaller than the sum of its proper divisors (23197458046194).

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

19699690539006 is a wasteful number, since it uses less digits than its factorization.

19699690539006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499634640 (or 5499634637 counting only the distinct ones).

The product of its (nonzero) digits is 191318760, while the sum is 72.

The spelling of 19699690539006 in words is "nineteen trillion, six hundred ninety-nine billion, six hundred ninety million, five hundred thirty-nine thousand, six".