2381493369137 has 2 divisors, whose sum is σ = 2381493369138. Its totient is φ = 2381493369136.

The previous prime is 2381493369133. The next prime is 2381493369191. The reversal of 2381493369137 is 7319633941832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1215905387761 + 1165587981376 = 1102681^2 + 1079624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2381493369137 - 2² = 2381493369133 is a prime.

It is not a weakly prime, because it can be changed into another prime (2381493369133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190746684568 + 1190746684569.

It is an arithmetic number, because the mean of its divisors is an integer number (1190746684569).

Almost surely, 2^{2381493369137} is an apocalyptic number.

It is an amenable number.

2381493369137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381493369137 is an equidigital number, since it uses as much as digits as its factorization.

2381493369137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 59.

The spelling of 2381493369137 in words is "two trillion, three hundred eighty-one billion, four hundred ninety-three million, three hundred sixty-nine thousand, one hundred thirty-seven".