1450689517 has 2 divisors, whose sum is σ = 1450689518. Its totient is φ = 1450689516.

The previous prime is 1450689491. The next prime is 1450689523. The reversal of 1450689517 is 7159860541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1328675401 + 122014116 = 36451^2 + 11046^2 .

It is an emirp because it is prime and its reverse (7159860541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1450689517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450689017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725344758 + 725344759.

It is an arithmetic number, because the mean of its divisors is an integer number (725344759).

Almost surely, 2^1450689517 is an apocalyptic number.

It is an amenable number.

1450689517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450689517 is an equidigital number, since it uses as much as digits as its factorization.

1450689517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 1450689517 is about 38087.9182550057. The cubic root of 1450689517 is about 1132.0305768751.

The spelling of 1450689517 in words is "one billion, four hundred fifty million, six hundred eighty-nine thousand, five hundred seventeen".