1019743368 has 128 divisors (see below), whose sum is σ = 3098476800. Its totient is φ = 273014784.

The previous prime is 1019743339. The next prime is 1019743379. The reversal of 1019743368 is 8633479101.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 790468 + ... + 791756.

It is an arithmetic number, because the mean of its divisors is an integer number (24206850).

Almost surely, 2^1019743368 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 1019743368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549238400).

1019743368 is an abundant number, since it is smaller than the sum of its proper divisors (2078733432).

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

1019743368 is a wasteful number, since it uses less digits than its factorization.

1019743368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1019743368 is about 31933.4208627889. The cubic root of 1019743368 is about 1006.5382803877.

The spelling of 1019743368 in words is "one billion, nineteen million, seven hundred forty-three thousand, three hundred sixty-eight".