2601000043 has 2 divisors, whose sum is σ = 2601000044. Its totient is φ = 2601000042.

The previous prime is 2600999941. The next prime is 2601000047. The reversal of 2601000043 is 3400001062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2601000043 - 2²⁹ = 2064129131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2600999990 and 2601000026.

It is not a weakly prime, because it can be changed into another prime (2601000047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300500021 + 1300500022.

It is an arithmetic number, because the mean of its divisors is an integer number (1300500022).

Almost surely, 2^2601000043 is an apocalyptic number.

2601000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601000043 is an equidigital number, since it uses as much as digits as its factorization.

2601000043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2601000043 is about 51000.0004215686. Note that the first 3 decimals coincide. The cubic root of 2601000043 is about 1375.2451429365.

The spelling of 2601000043 in words is "two billion, six hundred one million, forty-three", and thus it is an aban number.