1068434505 has 24 divisors (see below), whose sum is σ = 1949425920. Its totient is φ = 539840160.

The previous prime is 1068434491. The next prime is 1068434527. The reversal of 1068434505 is 5054348601.

It is a happy number.

1068434505 is a `hidden beast` number, since 106 + 8 + 43 + 4 + 505 = 666.

It is not a de Polignac number, because 1068434505 - 2⁴ = 1068434489 is a prime.

It is a super-2 number, since 2×1068434505² = 2283104582949190050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068434505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623961 + ... + 625670.

It is an arithmetic number, because the mean of its divisors is an integer number (81226080).

Almost surely, 2^1068434505 is an apocalyptic number.

1068434505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1068434505 is a deficient number, since it is larger than the sum of its proper divisors (880991415).

1068434505 is a wasteful number, since it uses less digits than its factorization.

1068434505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249661 (or 1249658 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1068434505 is about 32686.9164192648. The cubic root of 1068434505 is about 1022.3100613033.

The spelling of 1068434505 in words is "one billion, sixty-eight million, four hundred thirty-four thousand, five hundred five".