867049459 has 2 divisors, whose sum is σ = 867049460. Its totient is φ = 867049458.

The previous prime is 867049441. The next prime is 867049489. The reversal of 867049459 is 954940768.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867049459 - 2¹¹ = 867047411 is a prime.

It is not a weakly prime, because it can be changed into another prime (867049489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433524729 + 433524730.

It is an arithmetic number, because the mean of its divisors is an integer number (433524730).

Almost surely, 2^867049459 is an apocalyptic number.

867049459 is a deficient number, since it is larger than the sum of its proper divisors (1).

867049459 is an equidigital number, since it uses as much as digits as its factorization.

867049459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 867049459 is about 29445.7035745455. The cubic root of 867049459 is about 953.5598512084.

The spelling of 867049459 in words is "eight hundred sixty-seven million, forty-nine thousand, four hundred fifty-nine".