813407347426 has 8 divisors (see below), whose sum is σ = 1243131983964. Its totient is φ = 399030019440.

The previous prime is 813407347369. The next prime is 813407347427. The reversal of 813407347426 is 624743704318.

It can be written as a sum of positive squares in 2 ways, for example, as 809371921801 + 4035425625 = 899651^2 + 63525^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 813407347426.

It is not an unprimeable number, because it can be changed into a prime (813407347427) 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, 3836827005 + ... + 3836827216.

Almost surely, 2^813407347426 is an apocalyptic number.

813407347426 is a deficient number, since it is larger than the sum of its proper divisors (429724636538).

813407347426 is a wasteful number, since it uses less digits than its factorization.

813407347426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673654276.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 813407347426 in words is "eight hundred thirteen billion, four hundred seven million, three hundred forty-seven thousand, four hundred twenty-six".