19053937297 has 4 divisors (see below), whose sum is σ = 20174757156. Its totient is φ = 17933117440.

The previous prime is 19053937289. The next prime is 19053937319. The reversal of 19053937297 is 79273935091.

It is a Cunningham number, because it is equal to 138036²+1.

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 14834265616 + 4219671681 = 121796^2 + 64959^2 .

It is a cyclic number.

It is not a de Polignac number, because 19053937297 - 2³ = 19053937289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19053937277) 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, 560409904 + ... + 560409937.

It is an arithmetic number, because the mean of its divisors is an integer number (5043689289).

Almost surely, 2^19053937297 is an apocalyptic number.

19053937297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

19053937297 is a deficient number, since it is larger than the sum of its proper divisors (1120819859).

19053937297 is a wasteful number, since it uses less digits than its factorization.

19053937297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120819858.

The product of its (nonzero) digits is 3214890, while the sum is 55.

The spelling of 19053937297 in words is "nineteen billion, fifty-three million, nine hundred thirty-seven thousand, two hundred ninety-seven".