4388256913 has 2 divisors, whose sum is σ = 4388256914. Its totient is φ = 4388256912.

The previous prime is 4388256907. The next prime is 4388256919. The reversal of 4388256913 is 3196528834.

It is a balanced prime because it is at equal distance from previous prime (4388256907) and next prime (4388256919).

It can be written as a sum of positive squares in only one way, i.e., 2673717264 + 1714539649 = 51708^2 + 41407^2 .

It is a cyclic number.

It is not a de Polignac number, because 4388256913 - 2⁹ = 4388256401 is a prime.

It is not a weakly prime, because it can be changed into another prime (4388256919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194128456 + 2194128457.

It is an arithmetic number, because the mean of its divisors is an integer number (2194128457).

Almost surely, 2^4388256913 is an apocalyptic number.

It is an amenable number.

4388256913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4388256913 is an equidigital number, since it uses as much as digits as its factorization.

4388256913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 4388256913 is about 66243.9198191049. The cubic root of 4388256913 is about 1637.1834604277.

The spelling of 4388256913 in words is "four billion, three hundred eighty-eight million, two hundred fifty-six thousand, nine hundred thirteen".