1064921699 has 2 divisors, whose sum is σ = 1064921700. Its totient is φ = 1064921698.

The previous prime is 1064921681. The next prime is 1064921719. The reversal of 1064921699 is 9961294601.

It is a weak prime.

It is an emirp because it is prime and its reverse (9961294601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1064921699 - 2¹² = 1064917603 is a prime.

It is a super-2 number, since 2×1064921699² = 2268116450002093202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064921609) 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, 532460849 + 532460850.

It is an arithmetic number, because the mean of its divisors is an integer number (532460850).

Almost surely, 2^1064921699 is an apocalyptic number.

1064921699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064921699 is an equidigital number, since it uses as much as digits as its factorization.

1064921699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 1064921699 is about 32633.1380501477. The cubic root of 1064921699 is about 1021.1884452681.

The spelling of 1064921699 in words is "one billion, sixty-four million, nine hundred twenty-one thousand, six hundred ninety-nine".