1449521741 has 2 divisors, whose sum is σ = 1449521742. Its totient is φ = 1449521740.

The previous prime is 1449521713. The next prime is 1449521743. The reversal of 1449521741 is 1471259441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425364516 + 24157225 = 37754^2 + 4915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449521741 - 2²⁶ = 1382412877 is a prime.

It is a super-2 number, since 2×1449521741² = 4202226555263342162, which contains 22 as substring.

Together with 1449521743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449521695 and 1449521704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449521743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724760870 + 724760871.

It is an arithmetic number, because the mean of its divisors is an integer number (724760871).

Almost surely, 2^1449521741 is an apocalyptic number.

It is an amenable number.

1449521741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449521741 is an equidigital number, since it uses as much as digits as its factorization.

1449521741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 1449521741 is about 38072.5851630803. The cubic root of 1449521741 is about 1131.7267413544.

The spelling of 1449521741 in words is "one billion, four hundred forty-nine million, five hundred twenty-one thousand, seven hundred forty-one".