2134731837709 has 2 divisors, whose sum is σ = 2134731837710. Its totient is φ = 2134731837708.

The previous prime is 2134731837703. The next prime is 2134731837713. The reversal of 2134731837709 is 9077381374312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378327656484 + 756404181225 = 1174022^2 + 869715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134731837709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134731837709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134731837703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067365918854 + 1067365918855.

It is an arithmetic number, because the mean of its divisors is an integer number (1067365918855).

Almost surely, 2^{2134731837709} is an apocalyptic number.

It is an amenable number.

2134731837709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134731837709 is an equidigital number, since it uses as much as digits as its factorization.

2134731837709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 2134731837709 in words is "two trillion, one hundred thirty-four billion, seven hundred thirty-one million, eight hundred thirty-seven thousand, seven hundred nine".