464747389 has 2 divisors, whose sum is σ = 464747390. Its totient is φ = 464747388.

The previous prime is 464747329. The next prime is 464747401. The reversal of 464747389 is 983747464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464747364 + 25 = 21558^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464747389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464747329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232373694 + 232373695.

It is an arithmetic number, because the mean of its divisors is an integer number (232373695).

Almost surely, 2^464747389 is an apocalyptic number.

It is an amenable number.

464747389 is a deficient number, since it is larger than the sum of its proper divisors (1).

464747389 is an equidigital number, since it uses as much as digits as its factorization.

464747389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The square root of 464747389 is about 21558.0005798311. Note that the first 3 decimals coincide. The cubic root of 464747389 is about 774.5907733383.

The spelling of 464747389 in words is "four hundred sixty-four million, seven hundred forty-seven thousand, three hundred eighty-nine".