1447547497 has 4 divisors (see below), whose sum is σ = 1579142736. Its totient is φ = 1315952260.

The previous prime is 1447547459. The next prime is 1447547513. The reversal of 1447547497 is 7947457441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1447547497 - 2⁷ = 1447547369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447547197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65797603 + ... + 65797624.

It is an arithmetic number, because the mean of its divisors is an integer number (394785684).

Almost surely, 2^1447547497 is an apocalyptic number.

It is an amenable number.

1447547497 is a deficient number, since it is larger than the sum of its proper divisors (131595239).

1447547497 is a wasteful number, since it uses less digits than its factorization.

1447547497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131595238.

The product of its digits is 3951360, while the sum is 52.

The square root of 1447547497 is about 38046.6489588768. The cubic root of 1447547497 is about 1131.2127051714.

It can be divided in two parts, 144754 and 7497, that added together give a palindrome (152251).

The spelling of 1447547497 in words is "one billion, four hundred forty-seven million, five hundred forty-seven thousand, four hundred ninety-seven".