93212838661 has 2 divisors, whose sum is σ = 93212838662. Its totient is φ = 93212838660.

The previous prime is 93212838583. The next prime is 93212838671. The reversal of 93212838661 is 16683821239.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79011588100 + 14201250561 = 281090^2 + 119169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93212838661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93212838671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46606419330 + 46606419331.

It is an arithmetic number, because the mean of its divisors is an integer number (46606419331).

Almost surely, 2^93212838661 is an apocalyptic number.

It is an amenable number.

93212838661 is a deficient number, since it is larger than the sum of its proper divisors (1).

93212838661 is an equidigital number, since it uses as much as digits as its factorization.

93212838661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The spelling of 93212838661 in words is "ninety-three billion, two hundred twelve million, eight hundred thirty-eight thousand, six hundred sixty-one".