43597979442698 has 8 divisors (see below), whose sum is σ = 65605905168708. Its totient is φ = 21729344386464.

The previous prime is 43597979442671. The next prime is 43597979442709. The reversal of 43597979442698 is 89624497979534.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32599954671769 + 10998024770929 = 5709637^2 + 3316327^2 .

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

It is a super-2 number, since 2×43597979442698² (a number of 28 digits) contains 22 as substring.

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, 34822666661 + ... + 34822667912.

Almost surely, 2^{43597979442698} is an apocalyptic number.

43597979442698 is a deficient number, since it is larger than the sum of its proper divisors (22007925726010).

43597979442698 is a wasteful number, since it uses less digits than its factorization.

43597979442698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69645334888.

The product of its digits is 29628426240, while the sum is 86.

The spelling of 43597979442698 in words is "forty-three trillion, five hundred ninety-seven billion, nine hundred seventy-nine million, four hundred forty-two thousand, six hundred ninety-eight".