1068989452 has 6 divisors (see below), whose sum is σ = 1870731548. Its totient is φ = 534494724.

The previous prime is 1068989447. The next prime is 1068989477. The reversal of 1068989452 is 2549898601.

It is a super-2 number, since 2×1068989452² = 2285476896974520608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068989452.

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 as a sum of consecutive naturals, namely, 133623678 + ... + 133623685.

Almost surely, 2^1068989452 is an apocalyptic number.

It is an amenable number.

1068989452 is a deficient number, since it is larger than the sum of its proper divisors (801742096).

1068989452 is a wasteful number, since it uses less digits than its factorization.

1068989452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267247367 (or 267247365 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The square root of 1068989452 is about 32695.4041418668. The cubic root of 1068989452 is about 1022.4870272922.

The spelling of 1068989452 in words is "one billion, sixty-eight million, nine hundred eighty-nine thousand, four hundred fifty-two".