1089750650 has 24 divisors (see below), whose sum is σ = 2061296640. Its totient is φ = 428510960.

The previous prime is 1089750577. The next prime is 1089750653. The reversal of 1089750650 is 560579801.

It is a junction number, because it is equal to n+sod(n) for n = 1089750598 and 1089750607.

It is not an unprimeable number, because it can be changed into a prime (1089750653) 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, 181754 + ... + 187653.

It is an arithmetic number, because the mean of its divisors is an integer number (85887360).

Almost surely, 2^1089750650 is an apocalyptic number.

1089750650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089750650 is a deficient number, since it is larger than the sum of its proper divisors (971545990).

1089750650 is a wasteful number, since it uses less digits than its factorization.

1089750650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369478 (or 369473 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 1089750650 is about 33011.3715255819. The cubic root of 1089750650 is about 1029.0639845395.

The spelling of 1089750650 in words is "one billion, eighty-nine million, seven hundred fifty thousand, six hundred fifty".