19698646088121 has 192 divisors, whose sum is σ = 37194784800768. Its totient is φ = 9012415104000.

The previous prime is 19698646088081. The next prime is 19698646088137. The reversal of 19698646088121 is 12188064689691.

It is not a de Polignac number, because 19698646088121 - 2¹⁴ = 19698646071737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19698646088171) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 72570165 + ... + 72841101.

It is an arithmetic number, because the mean of its divisors is an integer number (193722837504).

Almost surely, 2^{19698646088121} is an apocalyptic number.

19698646088121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19698646088121 is a deficient number, since it is larger than the sum of its proper divisors (17496138712647).

19698646088121 is a wasteful number, since it uses less digits than its factorization.

19698646088121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271084 (or 271073 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 69.

The spelling of 19698646088121 in words is "nineteen trillion, six hundred ninety-eight billion, six hundred forty-six million, eighty-eight thousand, one hundred twenty-one".