19482590409 has 8 divisors (see below), whose sum is σ = 25977462240. Its totient is φ = 12988056096.

The previous prime is 19482590399. The next prime is 19482590431. The reversal of 19482590409 is 90409528491.

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

It is not a de Polignac number, because 19482590409 - 2⁹ = 19482589897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19482590459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123414 + ... + 232800.

It is an arithmetic number, because the mean of its divisors is an integer number (3247182780).

Almost surely, 2^19482590409 is an apocalyptic number.

It is an amenable number.

19482590409 is a deficient number, since it is larger than the sum of its proper divisors (6494871831).

19482590409 is a wasteful number, since it uses less digits than its factorization.

19482590409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168759.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 19482590409 in words is "nineteen billion, four hundred eighty-two million, five hundred ninety thousand, four hundred nine".