93110206621 has 2 divisors, whose sum is σ = 93110206622. Its totient is φ = 93110206620.

The previous prime is 93110206601. The next prime is 93110206639. The reversal of 93110206621 is 12660201139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74482051396 + 18628155225 = 272914^2 + 136485^2 .

It is a cyclic number.

It is not a de Polignac number, because 93110206621 - 2⁷ = 93110206493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93110206601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46555103310 + 46555103311.

It is an arithmetic number, because the mean of its divisors is an integer number (46555103311).

Almost surely, 2^93110206621 is an apocalyptic number.

It is an amenable number.

93110206621 is a deficient number, since it is larger than the sum of its proper divisors (1).

93110206621 is an equidigital number, since it uses as much as digits as its factorization.

93110206621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 93110206621 in words is "ninety-three billion, one hundred ten million, two hundred six thousand, six hundred twenty-one".