4309125991 has 2 divisors, whose sum is σ = 4309125992. Its totient is φ = 4309125990.

The previous prime is 4309125967. The next prime is 4309126001. The reversal of 4309125991 is 1995219034.

4309125991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4309125991 - 2⁵ = 4309125959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4309125911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154562995 + 2154562996.

It is an arithmetic number, because the mean of its divisors is an integer number (2154562996).

Almost surely, 2^4309125991 is an apocalyptic number.

4309125991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4309125991 is an equidigital number, since it uses as much as digits as its factorization.

4309125991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 4309125991 is about 65643.9333906798. The cubic root of 4309125991 is about 1627.2829124566.

The spelling of 4309125991 in words is "four billion, three hundred nine million, one hundred twenty-five thousand, nine hundred ninety-one".