1019748318 has 16 divisors (see below), whose sum is σ = 2059690896. Its totient is φ = 336550400.

The previous prime is 1019748283. The next prime is 1019748343. The reversal of 1019748318 is 8138479101.

It is a self number, because there is not a number n which added to its sum of digits gives 1019748318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840771 + ... + 841982.

It is an arithmetic number, because the mean of its divisors is an integer number (128730681).

Almost surely, 2^1019748318 is an apocalyptic number.

1019748318 is an abundant number, since it is smaller than the sum of its proper divisors (1039942578).

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

1019748318 is a wasteful number, since it uses less digits than its factorization.

1019748318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682859.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 1019748318 is about 31933.4983677016. The cubic root of 1019748318 is about 1006.5399090185.

The spelling of 1019748318 in words is "one billion, nineteen million, seven hundred forty-eight thousand, three hundred eighteen".