813420467 has 2 divisors, whose sum is σ = 813420468. Its totient is φ = 813420466.

The previous prime is 813420451. The next prime is 813420481. The reversal of 813420467 is 764024318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 813420467 - 2⁴ = 813420451 is a prime.

It is a super-2 number, since 2×813420467² = 1323305712268996178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (813420497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406710233 + 406710234.

It is an arithmetic number, because the mean of its divisors is an integer number (406710234).

Almost surely, 2^813420467 is an apocalyptic number.

813420467 is a deficient number, since it is larger than the sum of its proper divisors (1).

813420467 is an equidigital number, since it uses as much as digits as its factorization.

813420467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 813420467 is about 28520.5271164472. The cubic root of 813420467 is about 933.4800309239.

The spelling of 813420467 in words is "eight hundred thirteen million, four hundred twenty thousand, four hundred sixty-seven".