2108742707 has 2 divisors, whose sum is σ = 2108742708. Its totient is φ = 2108742706.

The previous prime is 2108742689. The next prime is 2108742767. The reversal of 2108742707 is 7072478012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2108742707 - 2²⁰ = 2107694131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2108742767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054371353 + 1054371354.

It is an arithmetic number, because the mean of its divisors is an integer number (1054371354).

Almost surely, 2^2108742707 is an apocalyptic number.

2108742707 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108742707 is an equidigital number, since it uses as much as digits as its factorization.

2108742707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 2108742707 is about 45921.0486269641. The cubic root of 2108742707 is about 1282.3538042895.

The spelling of 2108742707 in words is "two billion, one hundred eight million, seven hundred forty-two thousand, seven hundred seven".