9411491879 has 2 divisors, whose sum is σ = 9411491880. Its totient is φ = 9411491878.

The previous prime is 9411491861. The next prime is 9411491891. The reversal of 9411491879 is 9781941149.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9411491879 - 2⁸ = 9411491623 is a prime.

It is a super-3 number, since 3×9411491879³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9411491879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9411421879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4705745939 + 4705745940.

It is an arithmetic number, because the mean of its divisors is an integer number (4705745940).

Almost surely, 2^9411491879 is an apocalyptic number.

9411491879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9411491879 is an equidigital number, since it uses as much as digits as its factorization.

9411491879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 53.

The square root of 9411491879 is about 97012.8438867761. The cubic root of 9411491879 is about 2111.3139827397.

The spelling of 9411491879 in words is "nine billion, four hundred eleven million, four hundred ninety-one thousand, eight hundred seventy-nine".