83424493957401 has 9 divisors (see below), whose sum is σ = 120502086406741. Its totient is φ = 55616311037532.

The previous prime is 83424493957381. The next prime is 83424493957417. The reversal of 83424493957401 is 10475939442438.

The square root of 83424493957401 is 9133701.

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

83424493957401 is a `hidden beast` number, since 8 + 3 + 4 + 24 + 4 + 9 + 39 + 574 + 0 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 83424493957401 - 2⁹ = 83424493956889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83424493957421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25878820 + ... + 28923386.

Almost surely, 2^{83424493957401} is an apocalyptic number.

83424493957401 is the 9133701-st square number.

83424493957401 is the 4566851-st centered octagonal number.

It is an amenable number.

83424493957401 is a deficient number, since it is larger than the sum of its proper divisors (37077592449340).

83424493957401 is an frugal number, since it uses more digits than its factorization.

83424493957401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089140 (or 3044570 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 83424493957401 in words is "eighty-three trillion, four hundred twenty-four billion, four hundred ninety-three million, nine hundred fifty-seven thousand, four hundred one".