4065391364 has 12 divisors (see below), whose sum is σ = 7115270988. Its totient is φ = 2032456800.

The previous prime is 4065391349. The next prime is 4065391433. The reversal of 4065391364 is 4631935604.

It can be written as a sum of positive squares in 2 ways, for example, as 2212949764 + 1852441600 = 47042^2 + 43040^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18227 + ... + 91994.

It is an arithmetic number, because the mean of its divisors is an integer number (592939249).

Almost surely, 2^4065391364 is an apocalyptic number.

It is an amenable number.

4065391364 is a deficient number, since it is larger than the sum of its proper divisors (3049879624).

4065391364 is a wasteful number, since it uses less digits than its factorization.

4065391364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119446 (or 119444 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 4065391364 is about 63760.4216109022. The cubic root of 4065391364 is about 1596.0045314704.

The spelling of 4065391364 in words is "four billion, sixty-five million, three hundred ninety-one thousand, three hundred sixty-four".