2141791469 has 2 divisors, whose sum is σ = 2141791470. Its totient is φ = 2141791468.

The previous prime is 2141791453. The next prime is 2141791489. The reversal of 2141791469 is 9641971412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974735844 + 167055625 = 44438^2 + 12925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141791469 - 2⁴ = 2141791453 is a prime.

It is a super-2 number, since 2×2141791469² = 9174541393362355922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141791489) 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, 1070895734 + 1070895735.

It is an arithmetic number, because the mean of its divisors is an integer number (1070895735).

Almost surely, 2^2141791469 is an apocalyptic number.

It is an amenable number.

2141791469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141791469 is an equidigital number, since it uses as much as digits as its factorization.

2141791469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 2141791469 is about 46279.4929639468. The cubic root of 2141791469 is about 1289.0182360448.

The spelling of 2141791469 in words is "two billion, one hundred forty-one million, seven hundred ninety-one thousand, four hundred sixty-nine".