1064820059 has 4 divisors (see below), whose sum is σ = 1120863240. Its totient is φ = 1008776880.

The previous prime is 1064819981. The next prime is 1064820067. The reversal of 1064820059 is 9500284601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9500284601 = 19 ⋅500014979.

It is a de Polignac number, because none of the positive numbers 2^k-1064820059 is a prime.

It is a super-2 number, since 2×1064820059² = 2267683516097526962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064823059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28021562 + ... + 28021599.

It is an arithmetic number, because the mean of its divisors is an integer number (280215810).

Almost surely, 2^1064820059 is an apocalyptic number.

1064820059 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1064820059 is a deficient number, since it is larger than the sum of its proper divisors (56043181).

1064820059 is an equidigital number, since it uses as much as digits as its factorization.

1064820059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56043180.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1064820059 is about 32631.5807002971. The cubic root of 1064820059 is about 1021.1559555880.

The spelling of 1064820059 in words is "one billion, sixty-four million, eight hundred twenty thousand, fifty-nine".