2140665353 has 2 divisors, whose sum is σ = 2140665354. Its totient is φ = 2140665352.

The previous prime is 2140665349. The next prime is 2140665379. The reversal of 2140665353 is 3535660412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100113929 + 40551424 = 45827^2 + 6368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140665353 - 2² = 2140665349 is a prime.

It is a super-2 number, since 2×2140665353² = 9164896307069229218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2140665323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070332676 + 1070332677.

It is an arithmetic number, because the mean of its divisors is an integer number (1070332677).

Almost surely, 2^2140665353 is an apocalyptic number.

It is an amenable number.

2140665353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140665353 is an equidigital number, since it uses as much as digits as its factorization.

2140665353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2140665353 is about 46267.3248956540. The cubic root of 2140665353 is about 1288.7922821240.

The spelling of 2140665353 in words is "two billion, one hundred forty million, six hundred sixty-five thousand, three hundred fifty-three".