43101421457 has 2 divisors, whose sum is σ = 43101421458. Its totient is φ = 43101421456.

The previous prime is 43101421367. The next prime is 43101421459. The reversal of 43101421457 is 75412410134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23084548096 + 20016873361 = 151936^2 + 141481^2 .

It is a cyclic number.

It is not a de Polignac number, because 43101421457 - 2⁸ = 43101421201 is a prime.

It is a super-2 number, since 2×43101421457² (a number of 22 digits) contains 22 as substring.

Together with 43101421459, 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 (43101421459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21550710728 + 21550710729.

It is an arithmetic number, because the mean of its divisors is an integer number (21550710729).

Almost surely, 2^43101421457 is an apocalyptic number.

It is an amenable number.

43101421457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43101421457 is an equidigital number, since it uses as much as digits as its factorization.

43101421457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 43101421457 in words is "forty-three billion, one hundred one million, four hundred twenty-one thousand, four hundred fifty-seven".