1308984327949 has 2 divisors, whose sum is σ = 1308984327950. Its totient is φ = 1308984327948.

The previous prime is 1308984327923. The next prime is 1308984327961. The reversal of 1308984327949 is 9497234898031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 831908168100 + 477076159849 = 912090^2 + 690707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308984327949 - 2²¹ = 1308982230797 is a prime.

It is a super-4 number, since 4×1308984327949⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308984327979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654492163974 + 654492163975.

It is an arithmetic number, because the mean of its divisors is an integer number (654492163975).

Almost surely, 2^{1308984327949} is an apocalyptic number.

It is an amenable number.

1308984327949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308984327949 is an equidigital number, since it uses as much as digits as its factorization.

1308984327949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 1308984327949 in words is "one trillion, three hundred eight billion, nine hundred eighty-four million, three hundred twenty-seven thousand, nine hundred forty-nine".