1065264799 has 2 divisors, whose sum is σ = 1065264800. Its totient is φ = 1065264798.

The previous prime is 1065264797. The next prime is 1065264839. The reversal of 1065264799 is 9974625601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1065264799 - 2¹ = 1065264797 is a prime.

It is a super-2 number, since 2×1065264799² = 2269578183977020802, which contains 22 as substring.

Together with 1065264797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065264797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532632399 + 532632400.

It is an arithmetic number, because the mean of its divisors is an integer number (532632400).

Almost surely, 2^1065264799 is an apocalyptic number.

1065264799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065264799 is an equidigital number, since it uses as much as digits as its factorization.

1065264799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1065264799 is about 32638.3945530414. The cubic root of 1065264799 is about 1021.2981034508.

The spelling of 1065264799 in words is "one billion, sixty-five million, two hundred sixty-four thousand, seven hundred ninety-nine".