93476221342921 has 2 divisors, whose sum is σ = 93476221342922. Its totient is φ = 93476221342920.

The previous prime is 93476221342853. The next prime is 93476221342969. The reversal of 93476221342921 is 12924312267439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90899348833225 + 2576872509696 = 9534115^2 + 1605264^2 .

It is an emirp because it is prime and its reverse (12924312267439) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93476221342921 - 2⁹ = 93476221342409 is a prime.

It is not a weakly prime, because it can be changed into another prime (93476221342991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46738110671460 + 46738110671461.

It is an arithmetic number, because the mean of its divisors is an integer number (46738110671461).

Almost surely, 2^{93476221342921} is an apocalyptic number.

It is an amenable number.

93476221342921 is a deficient number, since it is larger than the sum of its proper divisors (1).

93476221342921 is an equidigital number, since it uses as much as digits as its factorization.

93476221342921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 55.

The spelling of 93476221342921 in words is "ninety-three trillion, four hundred seventy-six billion, two hundred twenty-one million, three hundred forty-two thousand, nine hundred twenty-one".