1449536537 has 2 divisors, whose sum is σ = 1449536538. Its totient is φ = 1449536536.

The previous prime is 1449536527. The next prime is 1449536573. The reversal of 1449536537 is 7356359441.

Together with next prime (1449536573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435727881 + 13808656 = 37891^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449536537 - 2²⁰ = 1448487961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1449536491 and 1449536500.

It is not a weakly prime, because it can be changed into another prime (1449536527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724768268 + 724768269.

It is an arithmetic number, because the mean of its divisors is an integer number (724768269).

Almost surely, 2^1449536537 is an apocalyptic number.

It is an amenable number.

1449536537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449536537 is an equidigital number, since it uses as much as digits as its factorization.

1449536537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The square root of 1449536537 is about 38072.7794756306. The cubic root of 1449536537 is about 1131.7305920434.

The spelling of 1449536537 in words is "one billion, four hundred forty-nine million, five hundred thirty-six thousand, five hundred thirty-seven".