1568414945 has 16 divisors (see below), whose sum is σ = 1982231040. Its totient is φ = 1188048384.

The previous prime is 1568414927. The next prime is 1568414977. The reversal of 1568414945 is 5494148651.

It is a cyclic number.

It is not a de Polignac number, because 1568414945 - 2¹⁸ = 1568152801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1568414945.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 243152 + ... + 249518.

It is an arithmetic number, because the mean of its divisors is an integer number (123889440).

Almost surely, 2^1568414945 is an apocalyptic number.

It is an amenable number.

1568414945 is a deficient number, since it is larger than the sum of its proper divisors (413816095).

1568414945 is a wasteful number, since it uses less digits than its factorization.

1568414945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984.

The product of its digits is 691200, while the sum is 47.

The square root of 1568414945 is about 39603.2188717028. The cubic root of 1568414945 is about 1161.8596175465.

The spelling of 1568414945 in words is "one billion, five hundred sixty-eight million, four hundred fourteen thousand, nine hundred forty-five".