1373310989 has 2 divisors, whose sum is σ = 1373310990. Its totient is φ = 1373310988.

The previous prime is 1373310977. The next prime is 1373311007. The reversal of 1373310989 is 9890133731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1373295364 + 15625 = 37058^2 + 125^2 .

It is an emirp because it is prime and its reverse (9890133731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1373310989 - 2¹⁶ = 1373245453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373310919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686655494 + 686655495.

It is an arithmetic number, because the mean of its divisors is an integer number (686655495).

Almost surely, 2^1373310989 is an apocalyptic number.

It is an amenable number.

1373310989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373310989 is an equidigital number, since it uses as much as digits as its factorization.

1373310989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1373310989 is about 37058.2108175773. The cubic root of 1373310989 is about 1111.5345463826.

The spelling of 1373310989 in words is "one billion, three hundred seventy-three million, three hundred ten thousand, nine hundred eighty-nine".