107801986854449 has 2 divisors, whose sum is σ = 107801986854450. Its totient is φ = 107801986854448.

The previous prime is 107801986854431. The next prime is 107801986854461. The reversal of 107801986854449 is 944458689108701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103655448801424 + 4146538053025 = 10181132^2 + 2036305^2 .

It is a cyclic number.

It is not a de Polignac number, because 107801986854449 - 2²⁰ = 107801985805873 is a prime.

It is a super-2 number, since 2×107801986854449² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107801986814449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53900993427224 + 53900993427225.

It is an arithmetic number, because the mean of its divisors is an integer number (53900993427225).

Almost surely, 2^{107801986854449} is an apocalyptic number.

It is an amenable number.

107801986854449 is a deficient number, since it is larger than the sum of its proper divisors (1).

107801986854449 is an equidigital number, since it uses as much as digits as its factorization.

107801986854449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 557383680, while the sum is 74.

The spelling of 107801986854449 in words is "one hundred seven trillion, eight hundred one billion, nine hundred eighty-six million, eight hundred fifty-four thousand, four hundred forty-nine".