1149283650 has 48 divisors (see below), whose sum is σ = 2869155648. Its totient is φ = 304440000.

The previous prime is 1149283643. The next prime is 1149283687. The reversal of 1149283650 is 563829411.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1149283599 and 1149283608.

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, 2721 + ... + 48020.

It is an arithmetic number, because the mean of its divisors is an integer number (59774076).

Almost surely, 2^1149283650 is an apocalyptic number.

1149283650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149283650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434577824).

1149283650 is an abundant number, since it is smaller than the sum of its proper divisors (1719871998).

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

1149283650 is a wasteful number, since it uses less digits than its factorization.

1149283650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50907 (or 50902 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1149283650 is about 33901.0862657821. The cubic root of 1149283650 is about 1047.4719681571.

The spelling of 1149283650 in words is "one billion, one hundred forty-nine million, two hundred eighty-three thousand, six hundred fifty".