2909134687 has 2 divisors, whose sum is σ = 2909134688. Its totient is φ = 2909134686.

The previous prime is 2909134667. The next prime is 2909134699. The reversal of 2909134687 is 7864319092.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2909134687 - 2⁷ = 2909134559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2909134687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2909134637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454567343 + 1454567344.

It is an arithmetic number, because the mean of its divisors is an integer number (1454567344).

Almost surely, 2^2909134687 is an apocalyptic number.

2909134687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2909134687 is an equidigital number, since it uses as much as digits as its factorization.

2909134687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2909134687 is about 53936.3948276115. The cubic root of 2909134687 is about 1427.5388717826.

The spelling of 2909134687 in words is "two billion, nine hundred nine million, one hundred thirty-four thousand, six hundred eighty-seven".