4427664513 has 4 divisors (see below), whose sum is σ = 5903552688. Its totient is φ = 2951776340.

The previous prime is 4427664511. The next prime is 4427664517. The reversal of 4427664513 is 3154667244.

It is a happy number.

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 4427664513 - 2¹ = 4427664511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4427664511) 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, 737944083 + ... + 737944088.

It is an arithmetic number, because the mean of its divisors is an integer number (1475888172).

Almost surely, 2^4427664513 is an apocalyptic number.

It is an amenable number.

4427664513 is a deficient number, since it is larger than the sum of its proper divisors (1475888175).

4427664513 is a wasteful number, since it uses less digits than its factorization.

4427664513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475888174.

The product of its digits is 483840, while the sum is 42.

The square root of 4427664513 is about 66540.6981703679. The cubic root of 4427664513 is about 1642.0696299282.

The spelling of 4427664513 in words is "four billion, four hundred twenty-seven million, six hundred sixty-four thousand, five hundred thirteen".