919141919 has 2 divisors, whose sum is σ = 919141920. Its totient is φ = 919141918.

The previous prime is 919141897. The next prime is 919141933.

919141919 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 919141919 - 2¹² = 919137823 is a prime.

It is a super-2 number, since 2×919141919² = 1689643734526005122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 919141919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (919141969) 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, 459570959 + 459570960.

It is an arithmetic number, because the mean of its divisors is an integer number (459570960).

Almost surely, 2^919141919 is an apocalyptic number.

919141919 is a deficient number, since it is larger than the sum of its proper divisors (1).

919141919 is an equidigital number, since it uses as much as digits as its factorization.

919141919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 44.

The square root of 919141919 is about 30317.3534300077. The cubic root of 919141919 is about 972.2863553526.

The spelling of 919141919 in words is "nine hundred nineteen million, one hundred forty-one thousand, nine hundred nineteen".