2645743007 has 2 divisors, whose sum is σ = 2645743008. Its totient is φ = 2645743006.

The previous prime is 2645742991. The next prime is 2645743021. The reversal of 2645743007 is 7003475462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2645743007 - 2⁴ = 2645742991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645743907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322871503 + 1322871504.

It is an arithmetic number, because the mean of its divisors is an integer number (1322871504).

Almost surely, 2^2645743007 is an apocalyptic number.

2645743007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645743007 is an equidigital number, since it uses as much as digits as its factorization.

2645743007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 2645743007 is about 51436.7865151003. The cubic root of 2645743007 is about 1383.0861072617.

The spelling of 2645743007 in words is "two billion, six hundred forty-five million, seven hundred forty-three thousand, seven".