93070738421 has 2 divisors, whose sum is σ = 93070738422. Its totient is φ = 93070738420.

The previous prime is 93070738339. The next prime is 93070738459. The reversal of 93070738421 is 12483707039.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88390263025 + 4680475396 = 297305^2 + 68414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93070738421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93070638421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46535369210 + 46535369211.

It is an arithmetic number, because the mean of its divisors is an integer number (46535369211).

Almost surely, 2^93070738421 is an apocalyptic number.

It is an amenable number.

93070738421 is a deficient number, since it is larger than the sum of its proper divisors (1).

93070738421 is an equidigital number, since it uses as much as digits as its factorization.

93070738421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 93070738421 in words is "ninety-three billion, seventy million, seven hundred thirty-eight thousand, four hundred twenty-one".