1451313403609 has 2 divisors, whose sum is σ = 1451313403610. Its totient is φ = 1451313403608.

The previous prime is 1451313403499. The next prime is 1451313403637. The reversal of 1451313403609 is 9063043131541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288236350025 + 163077053584 = 1135005^2 + 403828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451313403609 - 2⁷ = 1451313403481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451313403109) 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, 725656701804 + 725656701805.

It is an arithmetic number, because the mean of its divisors is an integer number (725656701805).

Almost surely, 2^{1451313403609} is an apocalyptic number.

It is an amenable number.

1451313403609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451313403609 is an equidigital number, since it uses as much as digits as its factorization.

1451313403609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 1451313403609 in words is "one trillion, four hundred fifty-one billion, three hundred thirteen million, four hundred three thousand, six hundred nine".