1047899443 has 8 divisors (see below), whose sum is σ = 1083884256. Its totient is φ = 1012411200.

The previous prime is 1047899423. The next prime is 1047899467. The reversal of 1047899443 is 3449987401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047899443 - 2²¹ = 1045802291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047899423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119848 + ... + 128293.

It is an arithmetic number, because the mean of its divisors is an integer number (135485532).

Almost surely, 2^1047899443 is an apocalyptic number.

1047899443 is a deficient number, since it is larger than the sum of its proper divisors (35984813).

1047899443 is a wasteful number, since it uses less digits than its factorization.

1047899443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248285.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 1047899443 is about 32371.2749671680. The cubic root of 1047899443 is about 1015.7181270446.

The spelling of 1047899443 in words is "one billion, forty-seven million, eight hundred ninety-nine thousand, four hundred forty-three".