43320621364 has 6 divisors (see below), whose sum is σ = 75811087394. Its totient is φ = 21660310680.

The previous prime is 43320621317. The next prime is 43320621401. The reversal of 43320621364 is 46312602334.

It can be written as a sum of positive squares in only one way, i.e., 43288131364 + 32490000 = 208058^2 + 5700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5415077667 + ... + 5415077674.

Almost surely, 2^43320621364 is an apocalyptic number.

It is an amenable number.

43320621364 is a deficient number, since it is larger than the sum of its proper divisors (32490466030).

43320621364 is a wasteful number, since it uses less digits than its factorization.

43320621364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830155345 (or 10830155343 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 43320621364 in words is "forty-three billion, three hundred twenty million, six hundred twenty-one thousand, three hundred sixty-four".