1068959998 has 4 divisors (see below), whose sum is σ = 1603440000. Its totient is φ = 534479998.

The previous prime is 1068959993. The next prime is 1068960019. The reversal of 1068959998 is 8999598601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1068959998² = 2285350954648320008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068959993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267239998 + ... + 267240001.

It is an arithmetic number, because the mean of its divisors is an integer number (400860000).

Almost surely, 2^1068959998 is an apocalyptic number.

1068959998 is a deficient number, since it is larger than the sum of its proper divisors (534480002).

1068959998 is an equidigital number, since it uses as much as digits as its factorization.

1068959998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534480001.

The product of its (nonzero) digits is 12597120, while the sum is 64.

The square root of 1068959998 is about 32694.9537084854. The cubic root of 1068959998 is about 1022.4776363017.

The spelling of 1068959998 in words is "one billion, sixty-eight million, nine hundred fifty-nine thousand, nine hundred ninety-eight".