1449738431 has 2 divisors, whose sum is σ = 1449738432. Its totient is φ = 1449738430.

The previous prime is 1449738413. The next prime is 1449738457. The reversal of 1449738431 is 1348379441.

It is a happy number.

Together with previous prime (1449738413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1449738431 - 2¹⁴ = 1449722047 is a prime.

It is a super-2 number, since 2×1449738431² = 4203483036636683522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449738481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724869215 + 724869216.

It is an arithmetic number, because the mean of its divisors is an integer number (724869216).

Almost surely, 2^1449738431 is an apocalyptic number.

1449738431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449738431 is an equidigital number, since it uses as much as digits as its factorization.

1449738431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 1449738431 is about 38075.4308051793. The cubic root of 1449738431 is about 1131.7831327470.

The spelling of 1449738431 in words is "one billion, four hundred forty-nine million, seven hundred thirty-eight thousand, four hundred thirty-one".