2709129487 has 2 divisors, whose sum is σ = 2709129488. Its totient is φ = 2709129486.

The previous prime is 2709129481. The next prime is 2709129581. The reversal of 2709129487 is 7849219072.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2709129487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2709129487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2709129481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354564743 + 1354564744.

It is an arithmetic number, because the mean of its divisors is an integer number (1354564744).

Almost surely, 2^2709129487 is an apocalyptic number.

2709129487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709129487 is an equidigital number, since it uses as much as digits as its factorization.

2709129487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 2709129487 is about 52049.2986215953. The cubic root of 2709129487 is about 1394.0443409477.

The spelling of 2709129487 in words is "two billion, seven hundred nine million, one hundred twenty-nine thousand, four hundred eighty-seven".