1449469831 has 2 divisors, whose sum is σ = 1449469832. Its totient is φ = 1449469830.

The previous prime is 1449469789. The next prime is 1449469837. The reversal of 1449469831 is 1389649441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1449469831 - 2²³ = 1441081223 is a prime.

It is a super-2 number, since 2×1449469831² = 4201925581958337122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449469837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724734915 + 724734916.

It is an arithmetic number, because the mean of its divisors is an integer number (724734916).

Almost surely, 2^1449469831 is an apocalyptic number.

1449469831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449469831 is an equidigital number, since it uses as much as digits as its factorization.

1449469831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 1449469831 is about 38071.9034328466. The cubic root of 1449469831 is about 1131.7132314648.

The spelling of 1449469831 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, eight hundred thirty-one".