2662434809 has 2 divisors, whose sum is σ = 2662434810. Its totient is φ = 2662434808.

The previous prime is 2662434799. The next prime is 2662434823. The reversal of 2662434809 is 9084342662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2649675625 + 12759184 = 51475^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662434809 - 2⁸ = 2662434553 is a prime.

It is a super-2 number, since 2×2662434809² = 14177118224349732962, 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 2662434809.

It is not a weakly prime, because it can be changed into another prime (2662434839) 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, 1331217404 + 1331217405.

It is an arithmetic number, because the mean of its divisors is an integer number (1331217405).

Almost surely, 2^2662434809 is an apocalyptic number.

It is an amenable number.

2662434809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662434809 is an equidigital number, since it uses as much as digits as its factorization.

2662434809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 2662434809 is about 51598.7868946548. The cubic root of 2662434809 is about 1385.9886087669.

The spelling of 2662434809 in words is "two billion, six hundred sixty-two million, four hundred thirty-four thousand, eight hundred nine".