1069489998 has 24 divisors (see below), whose sum is σ = 2327356200. Its totient is φ = 354938544.

The previous prime is 1069489997. The next prime is 1069489999. The reversal of 1069489998 is 8999849601.

1069489998 is a `hidden beast` number, since 1 + 0 + 69 + 489 + 9 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (1069489997) and next prime (1069489999).

It is a super-2 number, since 2×1069489998² = 2287617711644080008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069489997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125608 + ... + 133851.

It is an arithmetic number, because the mean of its divisors is an integer number (96973175).

Almost surely, 2^1069489998 is an apocalyptic number.

1069489998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1069489998 is an abundant number, since it is smaller than the sum of its proper divisors (1257866202).

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

1069489998 is a wasteful number, since it uses less digits than its factorization.

1069489998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259696 (or 259693 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 63.

The square root of 1069489998 is about 32703.0579304138. The cubic root of 1069489998 is about 1022.6465929234.

The spelling of 1069489998 in words is "one billion, sixty-nine million, four hundred eighty-nine thousand, nine hundred ninety-eight".