988783413481 has 2 divisors, whose sum is σ = 988783413482. Its totient is φ = 988783413480.

The previous prime is 988783413427. The next prime is 988783413593. The reversal of 988783413481 is 184314387889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987421803481 + 1361610000 = 993691^2 + 36900^2 .

It is a cyclic number.

It is not a de Polignac number, because 988783413481 - 2²³ = 988775024873 is a prime.

It is a super-2 number, since 2×988783413481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (988783414481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494391706740 + 494391706741.

It is an arithmetic number, because the mean of its divisors is an integer number (494391706741).

Almost surely, 2^988783413481 is an apocalyptic number.

It is an amenable number.

988783413481 is a deficient number, since it is larger than the sum of its proper divisors (1).

988783413481 is an equidigital number, since it uses as much as digits as its factorization.

988783413481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37158912, while the sum is 64.

The spelling of 988783413481 in words is "nine hundred eighty-eight billion, seven hundred eighty-three million, four hundred thirteen thousand, four hundred eighty-one".