470309293 has 2 divisors, whose sum is σ = 470309294. Its totient is φ = 470309292.

The previous prime is 470309263. The next prime is 470309297. The reversal of 470309293 is 392903074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422795844 + 47513449 = 20562^2 + 6893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470309293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470309297) 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 as a sum of consecutive naturals, namely, 235154646 + 235154647.

It is an arithmetic number, because the mean of its divisors is an integer number (235154647).

Almost surely, 2^470309293 is an apocalyptic number.

It is an amenable number.

470309293 is a deficient number, since it is larger than the sum of its proper divisors (1).

470309293 is an equidigital number, since it uses as much as digits as its factorization.

470309293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 470309293 is about 21686.6155266330. The cubic root of 470309293 is about 777.6685217637.

The spelling of 470309293 in words is "four hundred seventy million, three hundred nine thousand, two hundred ninety-three".