104398641829 has 2 divisors, whose sum is σ = 104398641830. Its totient is φ = 104398641828.

The previous prime is 104398641811. The next prime is 104398641833. The reversal of 104398641829 is 928146893401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62351088804 + 42047553025 = 249702^2 + 205055^2 .

It is a cyclic number.

It is not a de Polignac number, because 104398641829 - 2³⁵ = 70038903461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104398641829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104398648829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52199320914 + 52199320915.

It is an arithmetic number, because the mean of its divisors is an integer number (52199320915).

Almost surely, 2^104398641829 is an apocalyptic number.

It is an amenable number.

104398641829 is a deficient number, since it is larger than the sum of its proper divisors (1).

104398641829 is an equidigital number, since it uses as much as digits as its factorization.

104398641829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 104398641829 in words is "one hundred four billion, three hundred ninety-eight million, six hundred forty-one thousand, eight hundred twenty-nine".