470570993 has 2 divisors, whose sum is σ = 470570994. Its totient is φ = 470570992.

The previous prime is 470570983. The next prime is 470571001. The reversal of 470570993 is 399075074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443186704 + 27384289 = 21052^2 + 5233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470570993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_24884378 and since 470570993 and 24884378 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (470570923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235285496 + 235285497.

It is an arithmetic number, because the mean of its divisors is an integer number (235285497).

Almost surely, 2^470570993 is an apocalyptic number.

It is an amenable number.

470570993 is a deficient number, since it is larger than the sum of its proper divisors (1).

470570993 is an equidigital number, since it uses as much as digits as its factorization.

470570993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 470570993 is about 21692.6483629823. The cubic root of 470570993 is about 777.8127375798.

The spelling of 470570993 in words is "four hundred seventy million, five hundred seventy thousand, nine hundred ninety-three".