1452714649 has 2 divisors, whose sum is σ = 1452714650. Its totient is φ = 1452714648.

The previous prime is 1452714619. The next prime is 1452714689. The reversal of 1452714649 is 9464172541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760656400 + 692058249 = 27580^2 + 26307^2 .

It is an emirp because it is prime and its reverse (9464172541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452714649 is a prime.

It is a super-3 number, since 3×1452714649³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1452714619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726357324 + 726357325.

It is an arithmetic number, because the mean of its divisors is an integer number (726357325).

Almost surely, 2^1452714649 is an apocalyptic number.

It is an amenable number.

1452714649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452714649 is an equidigital number, since it uses as much as digits as its factorization.

1452714649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 1452714649 is about 38114.4939491527. The cubic root of 1452714649 is about 1132.5570955593.

The spelling of 1452714649 in words is "one billion, four hundred fifty-two million, seven hundred fourteen thousand, six hundred forty-nine".