104707864649 has 2 divisors, whose sum is σ = 104707864650. Its totient is φ = 104707864648.

The previous prime is 104707864633. The next prime is 104707864661. The reversal of 104707864649 is 946468707401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79210162249 + 25497702400 = 281443^2 + 159680^2 .

It is a cyclic number.

It is not a de Polignac number, because 104707864649 - 2⁴ = 104707864633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104707864594 and 104707864603.

It is not a weakly prime, because it can be changed into another prime (104707864549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52353932324 + 52353932325.

It is an arithmetic number, because the mean of its divisors is an integer number (52353932325).

Almost surely, 2^104707864649 is an apocalyptic number.

It is an amenable number.

104707864649 is a deficient number, since it is larger than the sum of its proper divisors (1).

104707864649 is an equidigital number, since it uses as much as digits as its factorization.

104707864649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 104707864649 in words is "one hundred four billion, seven hundred seven million, eight hundred sixty-four thousand, six hundred forty-nine".