1447869016 has 64 divisors (see below), whose sum is σ = 3000885120. Its totient is φ = 649451520.

The previous prime is 1447869013. The next prime is 1447869023. The reversal of 1447869016 is 6109687441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447869011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768131 + ... + 2768653.

It is an arithmetic number, because the mean of its divisors is an integer number (46888830).

Almost surely, 2^1447869016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447869016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1500442560).

1447869016 is an abundant number, since it is smaller than the sum of its proper divisors (1553016104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1447869016 is a wasteful number, since it uses less digits than its factorization.

1447869016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1447869016 is about 38050.8740504078. The cubic root of 1447869016 is about 1131.2964512900.

The spelling of 1447869016 in words is "one billion, four hundred forty-seven million, eight hundred sixty-nine thousand, sixteen".