1447539097 has 2 divisors, whose sum is σ = 1447539098. Its totient is φ = 1447539096.

The previous prime is 1447539091. The next prime is 1447539157. The reversal of 1447539097 is 7909357441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1218289216 + 229249881 = 34904^2 + 15141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447539097 - 2¹⁹ = 1447014809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1447539097.

It is not a weakly prime, because it can be changed into another prime (1447539091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723769548 + 723769549.

It is an arithmetic number, because the mean of its divisors is an integer number (723769549).

Almost surely, 2^1447539097 is an apocalyptic number.

It is an amenable number.

1447539097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447539097 is an equidigital number, since it uses as much as digits as its factorization.

1447539097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1447539097 is about 38046.5385679171. The cubic root of 1447539097 is about 1131.2105170555.

The spelling of 1447539097 in words is "one billion, four hundred forty-seven million, five hundred thirty-nine thousand, ninety-seven".