1350431449 has 2 divisors, whose sum is σ = 1350431450. Its totient is φ = 1350431448.

The previous prime is 1350431417. The next prime is 1350431483. The reversal of 1350431449 is 9441340531.

It is an a-pointer prime, because the next prime (1350431483) can be obtained adding 1350431449 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347403849 + 3027600 = 36707^2 + 1740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350431449 - 2⁵ = 1350431417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1350431749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675215724 + 675215725.

It is an arithmetic number, because the mean of its divisors is an integer number (675215725).

Almost surely, 2^1350431449 is an apocalyptic number.

It is an amenable number.

1350431449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350431449 is an equidigital number, since it uses as much as digits as its factorization.

1350431449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1350431449 is about 36748.2169499419. The cubic root of 1350431449 is about 1105.3271756965.

The spelling of 1350431449 in words is "one billion, three hundred fifty million, four hundred thirty-one thousand, four hundred forty-nine".