43198676405 has 4 divisors (see below), whose sum is σ = 51838411692. Its totient is φ = 34558941120.

The previous prime is 43198676371. The next prime is 43198676413. The reversal of 43198676405 is 50467689134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29202366769 + 13996309636 = 170887^2 + 118306^2 .

It is not a de Polignac number, because 43198676405 - 2¹⁰ = 43198675381 is a prime.

It is a super-2 number, since 2×43198676405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4319867636 + ... + 4319867645.

It is an arithmetic number, because the mean of its divisors is an integer number (12959602923).

Almost surely, 2^43198676405 is an apocalyptic number.

It is an amenable number.

43198676405 is a deficient number, since it is larger than the sum of its proper divisors (8639735287).

43198676405 is an equidigital number, since it uses as much as digits as its factorization.

43198676405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639735286.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 43198676405 in words is "forty-three billion, one hundred ninety-eight million, six hundred seventy-six thousand, four hundred five".