1942811065 has 32 divisors (see below), whose sum is σ = 2604026880. Its totient is φ = 1381626624.

The previous prime is 1942811041. The next prime is 1942811071. The reversal of 1942811065 is 5601182491.

It is a cyclic number.

It is not a de Polignac number, because 1942811065 - 2²⁵ = 1909256633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879192 + ... + 881398.

It is an arithmetic number, because the mean of its divisors is an integer number (81375840).

Almost surely, 2^1942811065 is an apocalyptic number.

It is an amenable number.

1942811065 is a deficient number, since it is larger than the sum of its proper divisors (661215815).

1942811065 is a wasteful number, since it uses less digits than its factorization.

1942811065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1942811065 is about 44077.3305112730. The cubic root of 1942811065 is about 1247.7958093862.

The spelling of 1942811065 in words is "one billion, nine hundred forty-two million, eight hundred eleven thousand, sixty-five".