19050313145 has 4 divisors (see below), whose sum is σ = 22860375780. Its totient is φ = 15240250512.

The previous prime is 19050313129. The next prime is 19050313147. The reversal of 19050313145 is 54131305091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11979521401 + 7070791744 = 109451^2 + 84088^2 .

It is a cyclic number.

It is not a de Polignac number, because 19050313145 - 2⁴ = 19050313129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19050313147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905031310 + ... + 1905031319.

It is an arithmetic number, because the mean of its divisors is an integer number (5715093945).

Almost surely, 2^19050313145 is an apocalyptic number.

It is an amenable number.

19050313145 is a deficient number, since it is larger than the sum of its proper divisors (3810062635).

19050313145 is an equidigital number, since it uses as much as digits as its factorization.

19050313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810062634.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 19050313145 in words is "nineteen billion, fifty million, three hundred thirteen thousand, one hundred forty-five".