813274629 has 8 divisors (see below), whose sum is σ = 1084624800. Its totient is φ = 542053776.

The previous prime is 813274619. The next prime is 813274633. The reversal of 813274629 is 926472318.

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

It is not a de Polignac number, because 813274629 - 2⁹ = 813274117 is a prime.

It is a super-2 number, since 2×813274629² = 1322831244350175282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813274619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16554 + ... + 43595.

It is an arithmetic number, because the mean of its divisors is an integer number (135578100).

Almost surely, 2^813274629 is an apocalyptic number.

It is an amenable number.

813274629 is a deficient number, since it is larger than the sum of its proper divisors (271350171).

813274629 is a wasteful number, since it uses less digits than its factorization.

813274629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64659.

The product of its digits is 145152, while the sum is 42.

The square root of 813274629 is about 28517.9702819117. The cubic root of 813274629 is about 933.4242397707.

The spelling of 813274629 in words is "eight hundred thirteen million, two hundred seventy-four thousand, six hundred twenty-nine".