1330969950 has 144 divisors (see below), whose sum is σ = 3985927920. Its totient is φ = 316431360.

The previous prime is 1330969889. The next prime is 1330969951. The reversal of 1330969950 is 599690331.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1330969896 and 1330969905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330969951) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 140772 + ... + 149928.

It is an arithmetic number, because the mean of its divisors is an integer number (27680055).

Almost surely, 2^1330969950 is an apocalyptic number.

1330969950 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 1330969950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1992963960).

1330969950 is an abundant number, since it is smaller than the sum of its proper divisors (2654957970).

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

1330969950 is a wasteful number, since it uses less digits than its factorization.

1330969950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9211 (or 9203 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 45.

The square root of 1330969950 is about 36482.4608544983. The cubic root of 1330969950 is about 1099.9917217008.

The spelling of 1330969950 in words is "one billion, three hundred thirty million, nine hundred sixty-nine thousand, nine hundred fifty".