104312213989 has 2 divisors, whose sum is σ = 104312213990. Its totient is φ = 104312213988.

The previous prime is 104312213959. The next prime is 104312214031. The reversal of 104312213989 is 989312213401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88412264964 + 15899949025 = 297342^2 + 126095^2 .

It is a cyclic number.

It is not a de Polignac number, because 104312213989 - 2²⁷ = 104177996261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104312213959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52156106994 + 52156106995.

It is an arithmetic number, because the mean of its divisors is an integer number (52156106995).

Almost surely, 2^104312213989 is an apocalyptic number.

It is an amenable number.

104312213989 is a deficient number, since it is larger than the sum of its proper divisors (1).

104312213989 is an equidigital number, since it uses as much as digits as its factorization.

104312213989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 104312213989 in words is "one hundred four billion, three hundred twelve million, two hundred thirteen thousand, nine hundred eighty-nine".