4027206649 has 4 divisors (see below), whose sum is σ = 4028237136. Its totient is φ = 4026176164.

The previous prime is 4027206647. The next prime is 4027206671. The reversal of 4027206649 is 9466027204.

4027206649 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 4027206649 - 2¹ = 4027206647 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4027206647) 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, 509359 + ... + 517204.

It is an arithmetic number, because the mean of its divisors is an integer number (1007059284).

Almost surely, 2^4027206649 is an apocalyptic number.

It is an amenable number.

4027206649 is a deficient number, since it is larger than the sum of its proper divisors (1030487).

4027206649 is a wasteful number, since it uses less digits than its factorization.

4027206649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030486.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 4027206649 is about 63460.2761497301. The cubic root of 4027206649 is about 1590.9919115641.

The spelling of 4027206649 in words is "four billion, twenty-seven million, two hundred six thousand, six hundred forty-nine".