1098936677 has 2 divisors, whose sum is σ = 1098936678. Its totient is φ = 1098936676.

The previous prime is 1098936659. The next prime is 1098936679. The reversal of 1098936677 is 7766398901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731486116 + 367450561 = 27046^2 + 19169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098936677 - 2³⁰ = 25194853 is a prime.

Together with 1098936679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098936679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549468338 + 549468339.

It is an arithmetic number, because the mean of its divisors is an integer number (549468339).

Almost surely, 2^1098936677 is an apocalyptic number.

It is an amenable number.

1098936677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098936677 is an equidigital number, since it uses as much as digits as its factorization.

1098936677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 1098936677 is about 33150.2138303812. The cubic root of 1098936677 is about 1031.9473878618.

The spelling of 1098936677 in words is "one billion, ninety-eight million, nine hundred thirty-six thousand, six hundred seventy-seven".