19201230974207 has 4 divisors (see below), whose sum is σ = 19258207921056. Its totient is φ = 19144254027360.

The previous prime is 19201230974171. The next prime is 19201230974227. The reversal of 19201230974207 is 70247903210291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19201230974207 - 2³⁸ = 18926353067263 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 (19201230974227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28488472919 + ... + 28488473592.

It is an arithmetic number, because the mean of its divisors is an integer number (4814551980264).

Almost surely, 2^{19201230974207} is an apocalyptic number.

19201230974207 is a deficient number, since it is larger than the sum of its proper divisors (56976946849).

19201230974207 is an equidigital number, since it uses as much as digits as its factorization.

19201230974207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56976946848.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 19201230974207 in words is "nineteen trillion, two hundred one billion, two hundred thirty million, nine hundred seventy-four thousand, two hundred seven".