1064191747 has 2 divisors, whose sum is σ = 1064191748. Its totient is φ = 1064191746.

The previous prime is 1064191727. The next prime is 1064191757. The reversal of 1064191747 is 7471914601.

It is a strong prime.

It is an emirp because it is prime and its reverse (7471914601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064191747 is a prime.

It is a super-2 number, since 2×1064191747² = 2265008148765824018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064191727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532095873 + 532095874.

It is an arithmetic number, because the mean of its divisors is an integer number (532095874).

Almost surely, 2^1064191747 is an apocalyptic number.

1064191747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064191747 is an equidigital number, since it uses as much as digits as its factorization.

1064191747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1064191747 is about 32621.9519189150. The cubic root of 1064191747 is about 1020.9550669425.

The spelling of 1064191747 in words is "one billion, sixty-four million, one hundred ninety-one thousand, seven hundred forty-seven".