988241641 has 2 divisors, whose sum is σ = 988241642. Its totient is φ = 988241640.

The previous prime is 988241629. The next prime is 988241647. The reversal of 988241641 is 146142889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826850025 + 161391616 = 28755^2 + 12704^2 .

It is a cyclic number.

It is not a de Polignac number, because 988241641 - 2¹⁷ = 988110569 is a prime.

It is not a weakly prime, because it can be changed into another prime (988241647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494120820 + 494120821.

It is an arithmetic number, because the mean of its divisors is an integer number (494120821).

Almost surely, 2^988241641 is an apocalyptic number.

It is an amenable number.

988241641 is a deficient number, since it is larger than the sum of its proper divisors (1).

988241641 is an equidigital number, since it uses as much as digits as its factorization.

988241641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The square root of 988241641 is about 31436.3108681664. The cubic root of 988241641 is about 996.0650837429.

The spelling of 988241641 in words is "nine hundred eighty-eight million, two hundred forty-one thousand, six hundred forty-one".