1141647473 has 4 divisors (see below), whose sum is σ = 1142071920. Its totient is φ = 1141223028.

The previous prime is 1141647443. The next prime is 1141647491. The reversal of 1141647473 is 3747461411.

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 1141647473 - 2¹⁰ = 1141646449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141647413) 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, 208163 + ... + 213576.

It is an arithmetic number, because the mean of its divisors is an integer number (285517980).

Almost surely, 2^1141647473 is an apocalyptic number.

It is an amenable number.

1141647473 is a deficient number, since it is larger than the sum of its proper divisors (424447).

1141647473 is an equidigital number, since it uses as much as digits as its factorization.

1141647473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424446.

The product of its digits is 56448, while the sum is 38.

The square root of 1141647473 is about 33788.2741938679. The cubic root of 1141647473 is about 1045.1469076067.

The spelling of 1141647473 in words is "one billion, one hundred forty-one million, six hundred forty-seven thousand, four hundred seventy-three".