19450890995 has 8 divisors (see below), whose sum is σ = 24569546640. Its totient is φ = 14741727840.

The previous prime is 19450890983. The next prime is 19450890997. The reversal of 19450890995 is 59909805491.

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

It is not a de Polignac number, because 19450890995 - 2¹⁰ = 19450889971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19450890997) 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, 102373016 + ... + 102373205.

It is an arithmetic number, because the mean of its divisors is an integer number (3071193330).

Almost surely, 2^19450890995 is an apocalyptic number.

19450890995 is a deficient number, since it is larger than the sum of its proper divisors (5118655645).

19450890995 is a wasteful number, since it uses less digits than its factorization.

19450890995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204746245.

The product of its (nonzero) digits is 5248800, while the sum is 59.

The spelling of 19450890995 in words is "nineteen billion, four hundred fifty million, eight hundred ninety thousand, nine hundred ninety-five".