19237420097 has 8 divisors (see below), whose sum is σ = 22048984896. Its totient is φ = 16441695792.

The previous prime is 19237420051. The next prime is 19237420121. The reversal of 19237420097 is 79002473291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19237420097 - 2⁸ = 19237419841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19237420297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3957518 + ... + 3962375.

It is an arithmetic number, because the mean of its divisors is an integer number (2756123112).

Almost surely, 2^19237420097 is an apocalyptic number.

It is an amenable number.

19237420097 is a deficient number, since it is larger than the sum of its proper divisors (2811564799).

19237420097 is an equidigital number, since it uses as much as digits as its factorization.

19237420097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920247.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 19237420097 in words is "nineteen billion, two hundred thirty-seven million, four hundred twenty thousand, ninety-seven".