2649854429 has 2 divisors, whose sum is σ = 2649854430. Its totient is φ = 2649854428.

The previous prime is 2649854371. The next prime is 2649854443. The reversal of 2649854429 is 9244589462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2105892100 + 543962329 = 45890^2 + 23323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2649854429 - 2¹⁶ = 2649788893 is a prime.

It is a super-4 number, since 4×2649854429⁴ (a number of 39 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2649854479) 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, 1324927214 + 1324927215.

It is an arithmetic number, because the mean of its divisors is an integer number (1324927215).

Almost surely, 2^2649854429 is an apocalyptic number.

It is an amenable number.

2649854429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649854429 is an equidigital number, since it uses as much as digits as its factorization.

2649854429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The square root of 2649854429 is about 51476.7367749744. The cubic root of 2649854429 is about 1383.8021641674.

The spelling of 2649854429 in words is "two billion, six hundred forty-nine million, eight hundred fifty-four thousand, four hundred twenty-nine".