1343621650 has 36 divisors (see below), whose sum is σ = 2907163818. Its totient is φ = 460669440.

The previous prime is 1343621633. The next prime is 1343621683. The reversal of 1343621650 is 561263431.

It can be written as a sum of positive squares in 3 ways, for example, as 514699969 + 828921681 = 22687^2 + 28791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 271759 + ... + 276658.

Almost surely, 2^1343621650 is an apocalyptic number.

1343621650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1343621650 is an abundant number, since it is smaller than the sum of its proper divisors (1563542168).

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

1343621650 is a wasteful number, since it uses less digits than its factorization.

1343621650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548443 (or 548431 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1343621650 is about 36655.4450252619. The cubic root of 1343621650 is about 1103.4661053810.

The spelling of 1343621650 in words is "one billion, three hundred forty-three million, six hundred twenty-one thousand, six hundred fifty".