1993289361907 has 2 divisors, whose sum is σ = 1993289361908. Its totient is φ = 1993289361906.

The previous prime is 1993289361841. The next prime is 1993289361929. The reversal of 1993289361907 is 7091639823991.

It is a strong prime.

It is an emirp because it is prime and its reverse (7091639823991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1993289361907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1993289364907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996644680953 + 996644680954.

It is an arithmetic number, because the mean of its divisors is an integer number (996644680954).

Almost surely, 2^{1993289361907} is an apocalyptic number.

1993289361907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993289361907 is an equidigital number, since it uses as much as digits as its factorization.

1993289361907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39680928, while the sum is 67.

The spelling of 1993289361907 in words is "one trillion, nine hundred ninety-three billion, two hundred eighty-nine million, three hundred sixty-one thousand, nine hundred seven".