19962317425 has 6 divisors (see below), whose sum is σ = 24753273638. Its totient is φ = 15969853920.

The previous prime is 19962317399. The next prime is 19962317569. The reversal of 19962317425 is 52471326991.

It can be written as a sum of positive squares in 3 ways, for example, as 1487799184 + 18474518241 = 38572^2 + 135921^2 .

It is not a de Polignac number, because 19962317425 - 2¹¹ = 19962315377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399246324 + ... + 399246373.

Almost surely, 2^19962317425 is an apocalyptic number.

It is an amenable number.

19962317425 is a deficient number, since it is larger than the sum of its proper divisors (4790956213).

19962317425 is an equidigital number, since it uses as much as digits as its factorization.

19962317425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798492707 (or 798492702 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The spelling of 19962317425 in words is "nineteen billion, nine hundred sixty-two million, three hundred seventeen thousand, four hundred twenty-five".