2606641403 has 2 divisors, whose sum is σ = 2606641404. Its totient is φ = 2606641402.

The previous prime is 2606641393. The next prime is 2606641409. The reversal of 2606641403 is 3041466062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2606641403 - 2²⁰ = 2605592827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2606641403.

It is not a weakly prime, because it can be changed into another prime (2606641409) 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, 1303320701 + 1303320702.

It is an arithmetic number, because the mean of its divisors is an integer number (1303320702).

Almost surely, 2^2606641403 is an apocalyptic number.

2606641403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606641403 is an equidigital number, since it uses as much as digits as its factorization.

2606641403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2606641403 is about 51055.2779152166. The cubic root of 2606641403 is about 1376.2386903608.

The spelling of 2606641403 in words is "two billion, six hundred six million, six hundred forty-one thousand, four hundred three".