457469993 has 2 divisors, whose sum is σ = 457469994. Its totient is φ = 457469992.

The previous prime is 457469963. The next prime is 457470029. The reversal of 457469993 is 399964754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454414489 + 3055504 = 21317^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 457469993 - 2¹⁰ = 457468969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (457469963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228734996 + 228734997.

It is an arithmetic number, because the mean of its divisors is an integer number (228734997).

Almost surely, 2^457469993 is an apocalyptic number.

It is an amenable number.

457469993 is a deficient number, since it is larger than the sum of its proper divisors (1).

457469993 is an equidigital number, since it uses as much as digits as its factorization.

457469993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 56.

The square root of 457469993 is about 21388.5481741983. The cubic root of 457469993 is about 770.5264253098.

The spelling of 457469993 in words is "four hundred fifty-seven million, four hundred sixty-nine thousand, nine hundred ninety-three".