1019653368 has 16 divisors (see below), whose sum is σ = 2549133480. Its totient is φ = 339884448.

The previous prime is 1019653361. The next prime is 1019653417. The reversal of 1019653368 is 8633569101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019653361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21242755 + ... + 21242802.

Almost surely, 2^1019653368 is an apocalyptic number.

It is an amenable number.

1019653368 is an abundant number, since it is smaller than the sum of its proper divisors (1529480112).

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

1019653368 is a wasteful number, since it uses less digits than its factorization.

1019653368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42485566 (or 42485562 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1019653368 is about 31932.0116497536. The cubic root of 1019653368 is about 1006.5086679992.

The spelling of 1019653368 in words is "one billion, nineteen million, six hundred fifty-three thousand, three hundred sixty-eight".