464971813 has 2 divisors, whose sum is σ = 464971814. Its totient is φ = 464971812.

The previous prime is 464971807. The next prime is 464971823. The reversal of 464971813 is 318179464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304746849 + 160224964 = 17457^2 + 12658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464971813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 464971813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464971823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232485906 + 232485907.

It is an arithmetic number, because the mean of its divisors is an integer number (232485907).

Almost surely, 2^464971813 is an apocalyptic number.

It is an amenable number.

464971813 is a deficient number, since it is larger than the sum of its proper divisors (1).

464971813 is an equidigital number, since it uses as much as digits as its factorization.

464971813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 464971813 is about 21563.2050725304. The cubic root of 464971813 is about 774.7154351724.

The spelling of 464971813 in words is "four hundred sixty-four million, nine hundred seventy-one thousand, eight hundred thirteen".