1018799356 has 6 divisors (see below), whose sum is σ = 1782898880. Its totient is φ = 509399676.

The previous prime is 1018799351. The next prime is 1018799413. The reversal of 1018799356 is 6539978101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018799351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127349916 + ... + 127349923.

Almost surely, 2^1018799356 is an apocalyptic number.

It is an amenable number.

1018799356 is a deficient number, since it is larger than the sum of its proper divisors (764099524).

1018799356 is a wasteful number, since it uses less digits than its factorization.

1018799356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254699843 (or 254699841 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1018799356 is about 31918.6364997003. The cubic root of 1018799356 is about 1006.2275886319.

The spelling of 1018799356 in words is "one billion, eighteen million, seven hundred ninety-nine thousand, three hundred fifty-six".