93019408647649 has 9 divisors (see below), whose sum is σ = 102244590580881. Its totient is φ = 84563002324020.

The previous prime is 93019408647623. The next prime is 93019408647709. The reversal of 93019408647649 is 94674680491039.

The square root of 93019408647649 is 9644657.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 93019408647649 - 2⁷ = 93019408647521 is a prime.

It is a super-2 number, since 2×93019408647649² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93019408647049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 105652834 + ... + 106529620.

Almost surely, 2^{93019408647649} is an apocalyptic number.

93019408647649 is the 9644657-th square number.

93019408647649 is the 4822329-th centered octagonal number.

It is an amenable number.

93019408647649 is a deficient number, since it is larger than the sum of its proper divisors (9225181933232).

93019408647649 is an frugal number, since it uses more digits than its factorization.

93019408647649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753596 (or 876798 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 70.

The spelling of 93019408647649 in words is "ninety-three trillion, nineteen billion, four hundred eight million, six hundred forty-seven thousand, six hundred forty-nine".