4381108957 has 2 divisors, whose sum is σ = 4381108958. Its totient is φ = 4381108956.

The previous prime is 4381108873. The next prime is 4381109003. The reversal of 4381108957 is 7598011834.

It is a happy number.

It is an a-pointer prime, because the next prime (4381109003) can be obtained adding 4381108957 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3582142201 + 798966756 = 59851^2 + 28266^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381108957 - 2⁷ = 4381108829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4381108357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190554478 + 2190554479.

It is an arithmetic number, because the mean of its divisors is an integer number (2190554479).

Almost surely, 2^4381108957 is an apocalyptic number.

It is an amenable number.

4381108957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381108957 is an equidigital number, since it uses as much as digits as its factorization.

4381108957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 4381108957 is about 66189.9460416761. The cubic root of 4381108957 is about 1636.2940507041.

The spelling of 4381108957 in words is "four billion, three hundred eighty-one million, one hundred eight thousand, nine hundred fifty-seven".