4156231099 has 2 divisors, whose sum is σ = 4156231100. Its totient is φ = 4156231098.

The previous prime is 4156231087. The next prime is 4156231109. The reversal of 4156231099 is 9901326514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4156231099 - 2⁹ = 4156230587 is a prime.

It is not a weakly prime, because it can be changed into another prime (4156231069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078115549 + 2078115550.

It is an arithmetic number, because the mean of its divisors is an integer number (2078115550).

Almost surely, 2^4156231099 is an apocalyptic number.

4156231099 is a deficient number, since it is larger than the sum of its proper divisors (1).

4156231099 is an equidigital number, since it uses as much as digits as its factorization.

4156231099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4156231099 is about 64468.8382011030. The cubic root of 4156231099 is about 1607.8044606155.

The spelling of 4156231099 in words is "four billion, one hundred fifty-six million, two hundred thirty-one thousand, ninety-nine".