864002743 has 2 divisors, whose sum is σ = 864002744. Its totient is φ = 864002742.

The previous prime is 864002731. The next prime is 864002753. The reversal of 864002743 is 347200468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 864002743 - 2²¹ = 861905591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 864002699 and 864002708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864002753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432001371 + 432001372.

It is an arithmetic number, because the mean of its divisors is an integer number (432001372).

Almost surely, 2^864002743 is an apocalyptic number.

864002743 is a deficient number, since it is larger than the sum of its proper divisors (1).

864002743 is an equidigital number, since it uses as much as digits as its factorization.

864002743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 864002743 is about 29393.9235727386. The cubic root of 864002743 is about 952.4416391060.

The spelling of 864002743 in words is "eight hundred sixty-four million, two thousand, seven hundred forty-three".