43267121460697 has 2 divisors, whose sum is σ = 43267121460698. Its totient is φ = 43267121460696.

The previous prime is 43267121460637. The next prime is 43267121460709. The reversal of 43267121460697 is 79606412176234.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41701359760281 + 1565761700416 = 6457659^2 + 1251304^2 .

It is a cyclic number.

It is not a de Polignac number, because 43267121460697 - 2¹⁹ = 43267120936409 is a prime.

It is not a weakly prime, because it can be changed into another prime (43267121460637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21633560730348 + 21633560730349.

It is an arithmetic number, because the mean of its divisors is an integer number (21633560730349).

Almost surely, 2^{43267121460697} is an apocalyptic number.

It is an amenable number.

43267121460697 is a deficient number, since it is larger than the sum of its proper divisors (1).

43267121460697 is an equidigital number, since it uses as much as digits as its factorization.

43267121460697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 43267121460697 in words is "forty-three trillion, two hundred sixty-seven billion, one hundred twenty-one million, four hundred sixty thousand, six hundred ninety-seven".