811490413 has 4 divisors (see below), whose sum is σ = 811764000. Its totient is φ = 811216828.

The previous prime is 811490371. The next prime is 811490429. The reversal of 811490413 is 314094118.

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 a de Polignac number, because none of the positive numbers 2^k-811490413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811490443) 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, 132295 + ... + 138292.

It is an arithmetic number, because the mean of its divisors is an integer number (202941000).

Almost surely, 2^811490413 is an apocalyptic number.

It is an amenable number.

811490413 is a deficient number, since it is larger than the sum of its proper divisors (273587).

811490413 is a wasteful number, since it uses less digits than its factorization.

811490413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273586.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 811490413 is about 28486.6707953035. The cubic root of 811490413 is about 932.7411372445.

The spelling of 811490413 in words is "eight hundred eleven million, four hundred ninety thousand, four hundred thirteen".