1449734977 has 2 divisors, whose sum is σ = 1449734978. Its totient is φ = 1449734976.

The previous prime is 1449734953. The next prime is 1449734987. The reversal of 1449734977 is 7794379441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1116161281 + 333573696 = 33409^2 + 18264^2 .

It is an emirp because it is prime and its reverse (7794379441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1449734977 - 2¹⁵ = 1449702209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1449734987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724867488 + 724867489.

It is an arithmetic number, because the mean of its divisors is an integer number (724867489).

Almost surely, 2^1449734977 is an apocalyptic number.

It is an amenable number.

1449734977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449734977 is an equidigital number, since it uses as much as digits as its factorization.

1449734977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 55.

The square root of 1449734977 is about 38075.3854478192. The cubic root of 1449734977 is about 1131.7822339223.

The spelling of 1449734977 in words is "one billion, four hundred forty-nine million, seven hundred thirty-four thousand, nine hundred seventy-seven".