988381000571 has 2 divisors, whose sum is σ = 988381000572. Its totient is φ = 988381000570.

The previous prime is 988381000499. The next prime is 988381000657. The reversal of 988381000571 is 175000183889.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988381000571 is a prime.

It is a super-2 number, since 2×988381000571² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (988381002571) 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, 494190500285 + 494190500286.

It is an arithmetic number, because the mean of its divisors is an integer number (494190500286).

Almost surely, 2^988381000571 is an apocalyptic number.

988381000571 is a deficient number, since it is larger than the sum of its proper divisors (1).

988381000571 is an equidigital number, since it uses as much as digits as its factorization.

988381000571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 988381000571 in words is "nine hundred eighty-eight billion, three hundred eighty-one million, five hundred seventy-one", and thus it is an aban number.