19316230253 has 8 divisors (see below), whose sum is σ = 19471915320. Its totient is φ = 19161169920.

The previous prime is 19316230217. The next prime is 19316230267. The reversal of 19316230253 is 35203261391.

It can be written as a sum of positive squares in 4 ways, for example, as 15896670724 + 3419559529 = 126082^2 + 58477^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 19316230253 - 2¹² = 19316226157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19316230753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93998 + ... + 217871.

It is an arithmetic number, because the mean of its divisors is an integer number (2433989415).

Almost surely, 2^19316230253 is an apocalyptic number.

It is an amenable number.

19316230253 is a deficient number, since it is larger than the sum of its proper divisors (155685067).

19316230253 is a wasteful number, since it uses less digits than its factorization.

19316230253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312367.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 19316230253 in words is "nineteen billion, three hundred sixteen million, two hundred thirty thousand, two hundred fifty-three".