13655199049 has 2 divisors, whose sum is σ = 13655199050. Its totient is φ = 13655199048.

The previous prime is 13655199029. The next prime is 13655199133. The reversal of 13655199049 is 94099155631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8070327225 + 5584871824 = 89835^2 + 74732^2 .

It is a cyclic number.

It is not a de Polignac number, because 13655199049 - 2²⁷ = 13520981321 is a prime.

It is a super-2 number, since 2×13655199049² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13655198987 and 13655199005.

It is not a weakly prime, because it can be changed into another prime (13655199029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6827599524 + 6827599525.

It is an arithmetic number, because the mean of its divisors is an integer number (6827599525).

Almost surely, 2^13655199049 is an apocalyptic number.

It is an amenable number.

13655199049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13655199049 is an equidigital number, since it uses as much as digits as its factorization.

13655199049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1312200, while the sum is 52.

The spelling of 13655199049 in words is "thirteen billion, six hundred fifty-five million, one hundred ninety-nine thousand, forty-nine".