93689549 has 2 divisors, whose sum is σ = 93689550. Its totient is φ = 93689548.

The previous prime is 93689539. The next prime is 93689573. The reversal of 93689549 is 94598639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54125449 + 39564100 = 7357^2 + 6290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93689549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 93689549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93689539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46844774 + 46844775.

It is an arithmetic number, because the mean of its divisors is an integer number (46844775).

Almost surely, 2^93689549 is an apocalyptic number.

It is an amenable number.

93689549 is a deficient number, since it is larger than the sum of its proper divisors (1).

93689549 is an equidigital number, since it uses as much as digits as its factorization.

93689549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 93689549 is about 9679.3361859169. The cubic root of 93689549 is about 454.1824856520.

The spelling of 93689549 in words is "ninety-three million, six hundred eighty-nine thousand, five hundred forty-nine".