43198713321 has 8 divisors (see below), whose sum is σ = 60102557760. Its totient is φ = 27547005552.

The previous prime is 43198713307. The next prime is 43198713331. The reversal of 43198713321 is 12331789134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43198713321 - 2¹⁷ = 43198582249 is a prime.

It is a super-2 number, since 2×43198713321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43198713301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313034086 + ... + 313034223.

It is an arithmetic number, because the mean of its divisors is an integer number (7512819720).

Almost surely, 2^43198713321 is an apocalyptic number.

It is an amenable number.

43198713321 is a deficient number, since it is larger than the sum of its proper divisors (16903844439).

43198713321 is a wasteful number, since it uses less digits than its factorization.

43198713321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626068335.

The product of its digits is 108864, while the sum is 42.

The spelling of 43198713321 in words is "forty-three billion, one hundred ninety-eight million, seven hundred thirteen thousand, three hundred twenty-one".