2642890829 has 2 divisors, whose sum is σ = 2642890830. Its totient is φ = 2642890828.

The previous prime is 2642890813. The next prime is 2642890841. The reversal of 2642890829 is 9280982462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2641446025 + 1444804 = 51395^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642890829 - 2⁴ = 2642890813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642892829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321445414 + 1321445415.

It is an arithmetic number, because the mean of its divisors is an integer number (1321445415).

Almost surely, 2^2642890829 is an apocalyptic number.

It is an amenable number.

2642890829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642890829 is an equidigital number, since it uses as much as digits as its factorization.

2642890829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 2642890829 is about 51409.0539593951. The cubic root of 2642890829 is about 1382.5889279387.

The spelling of 2642890829 in words is "two billion, six hundred forty-two million, eight hundred ninety thousand, eight hundred twenty-nine".