1109769650 has 72 divisors (see below), whose sum is σ = 2312359812. Its totient is φ = 395824000.

The previous prime is 1109769649. The next prime is 1109769667. The reversal of 1109769650 is 569679011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 349278721 + 760490929 = 18689^2 + 27577^2 .

It is a super-2 number, since 2×1109769650² = 2463177352122245000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 318920 + ... + 322380.

Almost surely, 2^1109769650 is an apocalyptic number.

1109769650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109769650 is an abundant number, since it is smaller than the sum of its proper divisors (1202590162).

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

1109769650 is a wasteful number, since it uses less digits than its factorization.

1109769650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 1109769650 is about 33313.2053396247. The cubic root of 1109769650 is about 1035.3271776361.

The spelling of 1109769650 in words is "one billion, one hundred nine million, seven hundred sixty-nine thousand, six hundred fifty".