4065994513 has 8 divisors (see below), whose sum is σ = 4651734528. Its totient is φ = 3481475424.

The previous prime is 4065994511. The next prime is 4065994519. The reversal of 4065994513 is 3154995604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4065994513 - 2¹ = 4065994511 is a prime.

It is a super-2 number, since 2×4065994513² = 33064622759492214338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4065994511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298081 + ... + 311422.

It is an arithmetic number, because the mean of its divisors is an integer number (581466816).

Almost surely, 2^4065994513 is an apocalyptic number.

It is an amenable number.

4065994513 is a deficient number, since it is larger than the sum of its proper divisors (585740015).

4065994513 is an equidigital number, since it uses as much as digits as its factorization.

4065994513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610463.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 4065994513 is about 63765.1512426655. The cubic root of 4065994513 is about 1596.0834562978.

The spelling of 4065994513 in words is "four billion, sixty-five million, nine hundred ninety-four thousand, five hundred thirteen".