43470820001 has 4 divisors (see below), whose sum is σ = 49680937152. Its totient is φ = 37260702852.

The previous prime is 43470819971. The next prime is 43470820009. The reversal of 43470820001 is 10002807434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10002807434 = 2 ⋅5001403717.

It is a cyclic number.

It is not a de Polignac number, because 43470820001 - 2²⁶ = 43403711137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43470820009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105058565 + ... + 3105058578.

It is an arithmetic number, because the mean of its divisors is an integer number (12420234288).

Almost surely, 2^43470820001 is an apocalyptic number.

It is an amenable number.

43470820001 is a deficient number, since it is larger than the sum of its proper divisors (6210117151).

43470820001 is an equidigital number, since it uses as much as digits as its factorization.

43470820001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210117150.

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 43470820001 in words is "forty-three billion, four hundred seventy million, eight hundred twenty thousand, one".