2646734023 has 2 divisors, whose sum is σ = 2646734024. Its totient is φ = 2646734022.

The previous prime is 2646734003. The next prime is 2646734047. The reversal of 2646734023 is 3204376462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2646734023 - 2¹³ = 2646725831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646734003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323367011 + 1323367012.

It is an arithmetic number, because the mean of its divisors is an integer number (1323367012).

Almost surely, 2^2646734023 is an apocalyptic number.

2646734023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646734023 is an equidigital number, since it uses as much as digits as its factorization.

2646734023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 37.

The square root of 2646734023 is about 51446.4189521487. The cubic root of 2646734023 is about 1383.2587732333.

The spelling of 2646734023 in words is "two billion, six hundred forty-six million, seven hundred thirty-four thousand, twenty-three".