1308162486749 has 2 divisors, whose sum is σ = 1308162486750. Its totient is φ = 1308162486748.

The previous prime is 1308162486737. The next prime is 1308162486779. The reversal of 1308162486749 is 9476842618031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731550064249 + 576612422500 = 855307^2 + 759350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1308162486749 is a prime.

It is a super-2 number, since 2×1308162486749² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308162486779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654081243374 + 654081243375.

It is an arithmetic number, because the mean of its divisors is an integer number (654081243375).

Almost surely, 2^{1308162486749} is an apocalyptic number.

It is an amenable number.

1308162486749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308162486749 is an equidigital number, since it uses as much as digits as its factorization.

1308162486749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 1308162486749 in words is "one trillion, three hundred eight billion, one hundred sixty-two million, four hundred eighty-six thousand, seven hundred forty-nine".