43542641513452 has 6 divisors (see below), whose sum is σ = 76199622648548. Its totient is φ = 21771320756724.

The previous prime is 43542641513419. The next prime is 43542641513641. The reversal of 43542641513452 is 25431514624534.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43542641513396 and 43542641513405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5442830189178 + ... + 5442830189185.

Almost surely, 2^{43542641513452} is an apocalyptic number.

It is an amenable number.

43542641513452 is a deficient number, since it is larger than the sum of its proper divisors (32656981135096).

43542641513452 is a wasteful number, since it uses less digits than its factorization.

43542641513452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885660378367 (or 10885660378365 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 49.

The spelling of 43542641513452 in words is "forty-three trillion, five hundred forty-two billion, six hundred forty-one million, five hundred thirteen thousand, four hundred fifty-two".