2739739687 has 2 divisors, whose sum is σ = 2739739688. Its totient is φ = 2739739686.

The previous prime is 2739739663. The next prime is 2739739721. The reversal of 2739739687 is 7869379372.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2739739687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2739739657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369869843 + 1369869844.

It is an arithmetic number, because the mean of its divisors is an integer number (1369869844).

Almost surely, 2^2739739687 is an apocalyptic number.

2739739687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2739739687 is an equidigital number, since it uses as much as digits as its factorization.

2739739687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24004512, while the sum is 61.

The square root of 2739739687 is about 52342.5227420307. The cubic root of 2739739687 is about 1399.2750816757.

The spelling of 2739739687 in words is "two billion, seven hundred thirty-nine million, seven hundred thirty-nine thousand, six hundred eighty-seven".