1449217537 has 2 divisors, whose sum is σ = 1449217538. Its totient is φ = 1449217536.

The previous prime is 1449217501. The next prime is 1449217559. The reversal of 1449217537 is 7357129441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766127041 + 683090496 = 27679^2 + 26136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449217537 - 2⁷ = 1449217409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449217493 and 1449217502.

It is not a weakly prime, because it can be changed into another prime (1449217577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724608768 + 724608769.

It is an arithmetic number, because the mean of its divisors is an integer number (724608769).

Almost surely, 2^1449217537 is an apocalyptic number.

It is an amenable number.

1449217537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449217537 is an equidigital number, since it uses as much as digits as its factorization.

1449217537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 1449217537 is about 38068.5899003365. The cubic root of 1449217537 is about 1131.6475658401.

The spelling of 1449217537 in words is "one billion, four hundred forty-nine million, two hundred seventeen thousand, five hundred thirty-seven".