1431260449 has 2 divisors, whose sum is σ = 1431260450. Its totient is φ = 1431260448.

The previous prime is 1431260437. The next prime is 1431260471. The reversal of 1431260449 is 9440621341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1431260224 + 225 = 37832^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431260449 - 2⁵ = 1431260417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431260429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715630224 + 715630225.

It is an arithmetic number, because the mean of its divisors is an integer number (715630225).

Almost surely, 2^1431260449 is an apocalyptic number.

It is an amenable number.

1431260449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431260449 is an equidigital number, since it uses as much as digits as its factorization.

1431260449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1431260449 is about 37832.0029736730. The cubic root of 1431260449 is about 1126.9540883573.

The spelling of 1431260449 in words is "one billion, four hundred thirty-one million, two hundred sixty thousand, four hundred forty-nine".