1068993542 has 8 divisors (see below), whose sum is σ = 1687884600. Its totient is φ = 506365344.

The previous prime is 1068993503. The next prime is 1068993551. The reversal of 1068993542 is 2453998601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1068993542² = 2285494385675411528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 14065667 + ... + 14065742.

It is an arithmetic number, because the mean of its divisors is an integer number (210985575).

Almost surely, 2^1068993542 is an apocalyptic number.

1068993542 is a deficient number, since it is larger than the sum of its proper divisors (618891058).

1068993542 is a wasteful number, since it uses less digits than its factorization.

1068993542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28131430.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1068993542 is about 32695.4666888240. The cubic root of 1068993542 is about 1022.4883313171.

The spelling of 1068993542 in words is "one billion, sixty-eight million, nine hundred ninety-three thousand, five hundred forty-two".