1564861901483 has 2 divisors, whose sum is σ = 1564861901484. Its totient is φ = 1564861901482.

The previous prime is 1564861901417. The next prime is 1564861901567. The reversal of 1564861901483 is 3841091684651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1564861901483 - 2²⁸ = 1564593466027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1564861931483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782430950741 + 782430950742.

It is an arithmetic number, because the mean of its divisors is an integer number (782430950742).

Almost surely, 2^{1564861901483} is an apocalyptic number.

1564861901483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1564861901483 is an equidigital number, since it uses as much as digits as its factorization.

1564861901483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 1564861901483 in words is "one trillion, five hundred sixty-four billion, eight hundred sixty-one million, nine hundred one thousand, four hundred eighty-three".