9919237068 has 72 divisors (see below), whose sum is σ = 27269847696. Its totient is φ = 3021840000.

The previous prime is 9919237037. The next prime is 9919237073. The reversal of 9919237068 is 8607329199.

It is a super-2 number, since 2×9919237068² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57658 + ... + 152193.

Almost surely, 2^9919237068 is an apocalyptic number.

It is an amenable number.

9919237068 is an abundant number, since it is smaller than the sum of its proper divisors (17350610628).

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

9919237068 is a wasteful number, since it uses less digits than its factorization.

9919237068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209975 (or 209970 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 9919237068 is about 99595.3666994605. The cubic root of 9919237068 is about 2148.6190568204.

It can be divided in two parts, 991923 and 7068, that added together give a triangular number (998991 = T₁₄₁₃).

The spelling of 9919237068 in words is "nine billion, nine hundred nineteen million, two hundred thirty-seven thousand, sixty-eight".