19471704442597 has 16 divisors (see below), whose sum is σ = 21606507195840. Its totient is φ = 17400198096000.

The previous prime is 19471704442579. The next prime is 19471704442601. The reversal of 19471704442597 is 79524440717491.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19471704442597 - 2¹⁹ = 19471703918309 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 (19471704442517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62889768 + ... + 63198625.

It is an arithmetic number, because the mean of its divisors is an integer number (1350406699740).

Almost surely, 2^{19471704442597} is an apocalyptic number.

It is an amenable number.

19471704442597 is a deficient number, since it is larger than the sum of its proper divisors (2134802753243).

19471704442597 is a wasteful number, since it uses less digits than its factorization.

19471704442597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126088644.

The product of its (nonzero) digits is 71124480, while the sum is 64.

The spelling of 19471704442597 in words is "nineteen trillion, four hundred seventy-one billion, seven hundred four million, four hundred forty-two thousand, five hundred ninety-seven".