64434299 has 2 divisors, whose sum is σ = 64434300. Its totient is φ = 64434298.

The previous prime is 64434283. The next prime is 64434319. The reversal of 64434299 is 99243446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64434299 - 2⁴ = 64434283 is a prime.

It is not a weakly prime, because it can be changed into another prime (64434499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32217149 + 32217150.

It is an arithmetic number, because the mean of its divisors is an integer number (32217150).

Almost surely, 2^64434299 is an apocalyptic number.

64434299 is a deficient number, since it is larger than the sum of its proper divisors (1).

64434299 is an equidigital number, since it uses as much as digits as its factorization.

64434299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 64434299 is about 8027.0977943463. The cubic root of 64434299 is about 400.9027506538.

It can be divided in two parts, 644 and 34299, that added together give a palindrome (34943).

The spelling of 64434299 in words is "sixty-four million, four hundred thirty-four thousand, two hundred ninety-nine".