2141145709 has 2 divisors, whose sum is σ = 2141145710. Its totient is φ = 2141145708.

The previous prime is 2141145703. The next prime is 2141145731. The reversal of 2141145709 is 9075411412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1192320900 + 948824809 = 34530^2 + 30803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141145709 - 2²⁹ = 1604274797 is a prime.

It is a super-2 number, since 2×2141145709² = 9169009894338225362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141145703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070572854 + 1070572855.

It is an arithmetic number, because the mean of its divisors is an integer number (1070572855).

Almost surely, 2^2141145709 is an apocalyptic number.

It is an amenable number.

2141145709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141145709 is an equidigital number, since it uses as much as digits as its factorization.

2141145709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 2141145709 is about 46272.5156977660. The cubic root of 2141145709 is about 1288.8886747096. Note that the first 3 decimals are identical.

The spelling of 2141145709 in words is "two billion, one hundred forty-one million, one hundred forty-five thousand, seven hundred nine".