93070638421 has 2 divisors, whose sum is σ = 93070638422. Its totient is φ = 93070638420.

The previous prime is 93070638379. The next prime is 93070638439. The reversal of 93070638421 is 12483607039.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74468406321 + 18602232100 = 272889^2 + 136390^2 .

It is an emirp because it is prime and its reverse (12483607039) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93070638421 - 2¹³ = 93070630229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93070638481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46535319210 + 46535319211.

It is an arithmetic number, because the mean of its divisors is an integer number (46535319211).

Almost surely, 2^93070638421 is an apocalyptic number.

It is an amenable number.

93070638421 is a deficient number, since it is larger than the sum of its proper divisors (1).

93070638421 is an equidigital number, since it uses as much as digits as its factorization.

93070638421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 93070638421 in words is "ninety-three billion, seventy million, six hundred thirty-eight thousand, four hundred twenty-one".