1451413309 has 2 divisors, whose sum is σ = 1451413310. Its totient is φ = 1451413308.

The previous prime is 1451413307. The next prime is 1451413331. The reversal of 1451413309 is 9033141541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986148409 + 465264900 = 31403^2 + 21570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451413309 - 2¹ = 1451413307 is a prime.

Together with 1451413307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451413303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725706654 + 725706655.

It is an arithmetic number, because the mean of its divisors is an integer number (725706655).

Almost surely, 2^1451413309 is an apocalyptic number.

It is an amenable number.

1451413309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451413309 is an equidigital number, since it uses as much as digits as its factorization.

1451413309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1451413309 is about 38097.4186658361. The cubic root of 1451413309 is about 1132.2188134428.

The spelling of 1451413309 in words is "one billion, four hundred fifty-one million, four hundred thirteen thousand, three hundred nine".