19050890407 has 8 divisors (see below), whose sum is σ = 19181641136. Its totient is φ = 18920259072.

The previous prime is 19050890393. The next prime is 19050890413. The reversal of 19050890407 is 70409805091.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19050890407 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 (19050890437) 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, 303028 + ... + 360454.

It is an arithmetic number, because the mean of its divisors is an integer number (2397705142).

Almost surely, 2^19050890407 is an apocalyptic number.

19050890407 is a deficient number, since it is larger than the sum of its proper divisors (130750729).

19050890407 is a wasteful number, since it uses less digits than its factorization.

19050890407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59697.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 19050890407 in words is "nineteen billion, fifty million, eight hundred ninety thousand, four hundred seven".