1447870497 has 4 divisors (see below), whose sum is σ = 1930494000. Its totient is φ = 965246996.

The previous prime is 1447870477. The next prime is 1447870499. The reversal of 1447870497 is 7940787441.

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 1447870497 - 2¹⁸ = 1447608353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1447870499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241311747 + ... + 241311752.

It is an arithmetic number, because the mean of its divisors is an integer number (482623500).

Almost surely, 2^1447870497 is an apocalyptic number.

It is an amenable number.

1447870497 is a deficient number, since it is larger than the sum of its proper divisors (482623503).

1447870497 is an equidigital number, since it uses as much as digits as its factorization.

1447870497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482623502.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The square root of 1447870497 is about 38050.8935111910. The cubic root of 1447870497 is about 1131.2968370177.

The spelling of 1447870497 in words is "one billion, four hundred forty-seven million, eight hundred seventy thousand, four hundred ninety-seven".