812960493 has 4 divisors (see below), whose sum is σ = 1083947328. Its totient is φ = 541973660.

The previous prime is 812960479. The next prime is 812960501. The reversal of 812960493 is 394069218.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 812960493 - 2⁹ = 812959981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812960453) 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, 135493413 + ... + 135493418.

It is an arithmetic number, because the mean of its divisors is an integer number (270986832).

Almost surely, 2^812960493 is an apocalyptic number.

It is an amenable number.

812960493 is a deficient number, since it is larger than the sum of its proper divisors (270986835).

812960493 is a wasteful number, since it uses less digits than its factorization.

812960493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270986834.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 812960493 is about 28512.4620648586. The cubic root of 812960493 is about 933.3040426040.

The spelling of 812960493 in words is "eight hundred twelve million, nine hundred sixty thousand, four hundred ninety-three".