4025211109 has 2 divisors, whose sum is σ = 4025211110. Its totient is φ = 4025211108.

The previous prime is 4025211017. The next prime is 4025211137. The reversal of 4025211109 is 9011125204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4003092900 + 22118209 = 63270^2 + 4703^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025211109 - 2¹¹ = 4025209061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4025211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012605554 + 2012605555.

It is an arithmetic number, because the mean of its divisors is an integer number (2012605555).

Almost surely, 2^4025211109 is an apocalyptic number.

It is an amenable number.

4025211109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4025211109 is an equidigital number, since it uses as much as digits as its factorization.

4025211109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 4025211109 is about 63444.5514524297. The cubic root of 4025211109 is about 1590.7290815331.

The spelling of 4025211109 in words is "four billion, twenty-five million, two hundred eleven thousand, one hundred nine".