19692133891001 has 32 divisors (see below), whose sum is σ = 23706551062656. Its totient is φ = 16116738624000.

The previous prime is 19692133890991. The next prime is 19692133891007. The reversal of 19692133891001 is 10019833129691.

It is a cyclic number.

It is not a de Polignac number, because 19692133891001 - 2²⁶ = 19692066782137 is a prime.

It is a super-2 number, since 2×19692133891001² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19692133891007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18122270 + ... + 19178136.

It is an arithmetic number, because the mean of its divisors is an integer number (740829720708).

Almost surely, 2^{19692133891001} is an apocalyptic number.

19692133891001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19692133891001 is a deficient number, since it is larger than the sum of its proper divisors (4014417171655).

19692133891001 is a wasteful number, since it uses less digits than its factorization.

19692133891001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059113.

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 19692133891001 in words is "nineteen trillion, six hundred ninety-two billion, one hundred thirty-three million, eight hundred ninety-one thousand, one".