4065479897 has 4 divisors (see below), whose sum is σ = 4089824256. Its totient is φ = 4041135540.

The previous prime is 4065479827. The next prime is 4065479911. The reversal of 4065479897 is 7989745604.

4065479897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4065479897 - 2¹⁶ = 4065414361 is a prime.

It is a super-2 number, since 2×4065479897² = 33056253585822261218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4065479827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12171929 + ... + 12172262.

It is an arithmetic number, because the mean of its divisors is an integer number (1022456064).

Almost surely, 2^4065479897 is an apocalyptic number.

It is an amenable number.

4065479897 is a deficient number, since it is larger than the sum of its proper divisors (24344359).

4065479897 is a wasteful number, since it uses less digits than its factorization.

4065479897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24344358.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The square root of 4065479897 is about 63761.1158700975. The cubic root of 4065479897 is about 1596.0161169104.

The spelling of 4065479897 in words is "four billion, sixty-five million, four hundred seventy-nine thousand, eight hundred ninety-seven".