1964285747 has 2 divisors, whose sum is σ = 1964285748. Its totient is φ = 1964285746.

The previous prime is 1964285669. The next prime is 1964285809. The reversal of 1964285747 is 7475824691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1964285747 - 2²² = 1960091443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1964285047) 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, 982142873 + 982142874.

It is an arithmetic number, because the mean of its divisors is an integer number (982142874).

Almost surely, 2^1964285747 is an apocalyptic number.

1964285747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964285747 is an equidigital number, since it uses as much as digits as its factorization.

1964285747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The square root of 1964285747 is about 44320.2633904628. The cubic root of 1964285747 is about 1252.3764385288.

The spelling of 1964285747 in words is "one billion, nine hundred sixty-four million, two hundred eighty-five thousand, seven hundred forty-seven".