1959144668807 has 2 divisors, whose sum is σ = 1959144668808. Its totient is φ = 1959144668806.

The previous prime is 1959144668801. The next prime is 1959144668837. The reversal of 1959144668807 is 7088664419591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1959144668807 - 2¹⁸ = 1959144406663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1959144668801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 979572334403 + 979572334404.

It is an arithmetic number, because the mean of its divisors is an integer number (979572334404).

Almost surely, 2^{1959144668807} is an apocalyptic number.

1959144668807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1959144668807 is an equidigital number, since it uses as much as digits as its factorization.

1959144668807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 1959144668807 in words is "one trillion, nine hundred fifty-nine billion, one hundred forty-four million, six hundred sixty-eight thousand, eight hundred seven".