1064633849 has 2 divisors, whose sum is σ = 1064633850. Its totient is φ = 1064633848.

The previous prime is 1064633833. The next prime is 1064633863. The reversal of 1064633849 is 9483364601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009205824 + 55428025 = 31768^2 + 7445^2 .

It is an emirp because it is prime and its reverse (9483364601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1064633849 - 2⁴ = 1064633833 is a prime.

It is a super-2 number, since 2×1064633849² = 2266890464873109602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064630849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532316924 + 532316925.

It is an arithmetic number, because the mean of its divisors is an integer number (532316925).

Almost surely, 2^1064633849 is an apocalyptic number.

It is an amenable number.

1064633849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064633849 is an equidigital number, since it uses as much as digits as its factorization.

1064633849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 1064633849 is about 32628.7273579587. The cubic root of 1064633849 is about 1021.0964273657.

The spelling of 1064633849 in words is "one billion, sixty-four million, six hundred thirty-three thousand, eight hundred forty-nine".