4056869057 has 4 divisors (see below), whose sum is σ = 4062809520. Its totient is φ = 4050928596.

The previous prime is 4056869051. The next prime is 4056869081. The reversal of 4056869057 is 7509686504.

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 a de Polignac number, because none of the positive numbers 2^k-4056869057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4056868996 and 4056869014.

It is not an unprimeable number, because it can be changed into a prime (4056869051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2969207 + ... + 2970572.

It is an arithmetic number, because the mean of its divisors is an integer number (1015702380).

Almost surely, 2^4056869057 is an apocalyptic number.

It is an amenable number.

4056869057 is a deficient number, since it is larger than the sum of its proper divisors (5940463).

4056869057 is an equidigital number, since it uses as much as digits as its factorization.

4056869057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940462.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 4056869057 is about 63693.5558514360. Note that the first 3 decimals coincide. The cubic root of 4056869057 is about 1594.8885129571. Note that the first 3 decimals are identical.

The spelling of 4056869057 in words is "four billion, fifty-six million, eight hundred sixty-nine thousand, fifty-seven".