1911842697707 has 2 divisors, whose sum is σ = 1911842697708. Its totient is φ = 1911842697706.

The previous prime is 1911842697623. The next prime is 1911842697749. The reversal of 1911842697707 is 7077962481191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1911842697707 - 2⁸ = 1911842697451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1911842697707.

It is not a weakly prime, because it can be changed into another prime (1911842697757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955921348853 + 955921348854.

It is an arithmetic number, because the mean of its divisors is an integer number (955921348854).

Almost surely, 2^{1911842697707} is an apocalyptic number.

1911842697707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1911842697707 is an equidigital number, since it uses as much as digits as its factorization.

1911842697707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 62.

The spelling of 1911842697707 in words is "one trillion, nine hundred eleven billion, eight hundred forty-two million, six hundred ninety-seven thousand, seven hundred seven".