988441049 has 2 divisors, whose sum is σ = 988441050. Its totient is φ = 988441048.

The previous prime is 988441039. The next prime is 988441099. The reversal of 988441049 is 940144889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922944400 + 65496649 = 30380^2 + 8093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988441049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 988440994 and 988441012.

It is not a weakly prime, because it can be changed into another prime (988441019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494220524 + 494220525.

It is an arithmetic number, because the mean of its divisors is an integer number (494220525).

Almost surely, 2^988441049 is an apocalyptic number.

It is an amenable number.

988441049 is a deficient number, since it is larger than the sum of its proper divisors (1).

988441049 is an equidigital number, since it uses as much as digits as its factorization.

988441049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 988441049 is about 31439.4823271631. The cubic root of 988441049 is about 996.1320747769.

The spelling of 988441049 in words is "nine hundred eighty-eight million, four hundred forty-one thousand, forty-nine".