4109951869 has 2 divisors, whose sum is σ = 4109951870. Its totient is φ = 4109951868.

The previous prime is 4109951837. The next prime is 4109951873. The reversal of 4109951869 is 9681599014.

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., 4015123225 + 94828644 = 63365^2 + 9738^2 .

It is a cyclic number.

It is not a de Polignac number, because 4109951869 - 2⁵ = 4109951837 is a prime.

It is a super-2 number, since 2×4109951869² = 33783408730993186322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4109951899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054975934 + 2054975935.

It is an arithmetic number, because the mean of its divisors is an integer number (2054975935).

Almost surely, 2^4109951869 is an apocalyptic number.

It is an amenable number.

4109951869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4109951869 is an equidigital number, since it uses as much as digits as its factorization.

4109951869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 4109951869 is about 64108.9063157374. The cubic root of 4109951869 is about 1601.8145908689.

The spelling of 4109951869 in words is "four billion, one hundred nine million, nine hundred fifty-one thousand, eight hundred sixty-nine".