1343752650 has 72 divisors (see below), whose sum is σ = 3615973920. Its totient is φ = 357762720.

The previous prime is 1343752639. The next prime is 1343752673. The reversal of 1343752650 is 562573431.

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, 332341 + ... + 336359.

It is an arithmetic number, because the mean of its divisors is an integer number (50221860).

Almost surely, 2^1343752650 is an apocalyptic number.

1343752650 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 1343752650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807986960).

1343752650 is an abundant number, since it is smaller than the sum of its proper divisors (2272221270).

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

1343752650 is a wasteful number, since it uses less digits than its factorization.

1343752650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 1343752650 is about 36657.2318922201. The cubic root of 1343752650 is about 1103.5019660124.

The spelling of 1343752650 in words is "one billion, three hundred forty-three million, seven hundred fifty-two thousand, six hundred fifty".