468247993 has 4 divisors (see below), whose sum is σ = 468305188. Its totient is φ = 468190800.

The previous prime is 468247939. The next prime is 468248009. The reversal of 468247993 is 399742864.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373146489 + 95101504 = 19317^2 + 9752^2 .

It is a cyclic number.

It is not a de Polignac number, because 468247993 - 2²⁵ = 434693561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468247993.

It is not an unprimeable number, because it can be changed into a prime (468247093) 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, 13746 + ... + 33547.

It is an arithmetic number, because the mean of its divisors is an integer number (117076297).

Almost surely, 2^468247993 is an apocalyptic number.

It is an amenable number.

468247993 is a deficient number, since it is larger than the sum of its proper divisors (57195).

468247993 is an equidigital number, since it uses as much as digits as its factorization.

468247993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57194.

The product of its digits is 2612736, while the sum is 52.

The square root of 468247993 is about 21639.0386339135. The cubic root of 468247993 is about 776.5307203301.

The spelling of 468247993 in words is "four hundred sixty-eight million, two hundred forty-seven thousand, nine hundred ninety-three".