19570018840199 has 24 divisors (see below), whose sum is σ = 20385267448320. Its totient is φ = 18785577646080.

The previous prime is 19570018840139. The next prime is 19570018840219. The reversal of 19570018840199 is 99104881007591.

It is a happy number.

It is not a de Polignac number, because 19570018840199 - 2¹² = 19570018836103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19570018840109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679665347 + ... + 679694139.

It is an arithmetic number, because the mean of its divisors is an integer number (849386143680).

Almost surely, 2^{19570018840199} is an apocalyptic number.

19570018840199 is a deficient number, since it is larger than the sum of its proper divisors (815248608121).

19570018840199 is a wasteful number, since it uses less digits than its factorization.

19570018840199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34551 (or 34520 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 62.

The spelling of 19570018840199 in words is "nineteen trillion, five hundred seventy billion, eighteen million, eight hundred forty thousand, one hundred ninety-nine".