719843623213 has 12 divisors (see below), whose sum is σ = 852097157884. Its totient is φ = 604064577600.

The previous prime is 719843623201. The next prime is 719843623249. The reversal of 719843623213 is 312326348917.

It can be written as a sum of positive squares in 2 ways, for example, as 344806188804 + 375037434409 = 587202^2 + 612403^2 .

It is a de Polignac number, because none of the positive numbers 2^k-719843623213 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719843623313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228810768 + ... + 228813913.

Almost surely, 2^719843623213 is an apocalyptic number.

It is an amenable number.

719843623213 is a deficient number, since it is larger than the sum of its proper divisors (132253534671).

719843623213 is a wasteful number, since it uses less digits than its factorization.

719843623213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457624716 (or 457624705 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The spelling of 719843623213 in words is "seven hundred nineteen billion, eight hundred forty-three million, six hundred twenty-three thousand, two hundred thirteen".