1447130917 has 4 divisors (see below), whose sum is σ = 1447259296. Its totient is φ = 1447002540.

The previous prime is 1447130911. The next prime is 1447130947. The reversal of 1447130917 is 7190317441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7190317441 = 607 ⋅11845663.

It is a cyclic number.

It is not a de Polignac number, because 1447130917 - 2²³ = 1438742309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447130911) 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, 45459 + ... + 70432.

It is an arithmetic number, because the mean of its divisors is an integer number (361814824).

Almost surely, 2^1447130917 is an apocalyptic number.

It is an amenable number.

1447130917 is a deficient number, since it is larger than the sum of its proper divisors (128379).

1447130917 is a wasteful number, since it uses less digits than its factorization.

1447130917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128378.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1447130917 is about 38041.1739697923. The cubic root of 1447130917 is about 1131.1041800506.

The spelling of 1447130917 in words is "one billion, four hundred forty-seven million, one hundred thirty thousand, nine hundred seventeen".