43215634001 has 2 divisors, whose sum is σ = 43215634002. Its totient is φ = 43215634000.

The previous prime is 43215633977. The next prime is 43215634003. The reversal of 43215634001 is 10043651234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41208594001 + 2007040000 = 202999^2 + 44800^2 .

It is a cyclic number.

It is not a de Polignac number, because 43215634001 - 2²⁶ = 43148525137 is a prime.

Together with 43215634003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43215634003) 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 as a sum of consecutive naturals, namely, 21607817000 + 21607817001.

It is an arithmetic number, because the mean of its divisors is an integer number (21607817001).

Almost surely, 2^43215634001 is an apocalyptic number.

It is an amenable number.

43215634001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43215634001 is an equidigital number, since it uses as much as digits as its factorization.

43215634001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 43215634001 in words is "forty-three billion, two hundred fifteen million, six hundred thirty-four thousand, one".