43020637278343 has 8 divisors (see below), whose sum is σ = 43886131042208. Its totient is φ = 42163755393024.

The previous prime is 43020637278323. The next prime is 43020637278347. The reversal of 43020637278343 is 34387273602034.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43020637278343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43020637278347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152959546 + ... + 2152979527.

It is an arithmetic number, because the mean of its divisors is an integer number (5485766380276).

Almost surely, 2^{43020637278343} is an apocalyptic number.

43020637278343 is a deficient number, since it is larger than the sum of its proper divisors (865493763865).

43020637278343 is a wasteful number, since it uses less digits than its factorization.

43020637278343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305939273.

The product of its (nonzero) digits is 12192768, while the sum is 52.

The spelling of 43020637278343 in words is "forty-three trillion, twenty billion, six hundred thirty-seven million, two hundred seventy-eight thousand, three hundred forty-three".