118488400949 has 2 divisors, whose sum is σ = 118488400950. Its totient is φ = 118488400948.

The previous prime is 118488400939. The next prime is 118488400967. The reversal of 118488400949 is 949004884811.

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., 115783672900 + 2704728049 = 340270^2 + 52007^2 .

It is an emirp because it is prime and its reverse (949004884811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118488400949 - 2²⁴ = 118471623733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118488400894 and 118488400903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118488400939) 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, 59244200474 + 59244200475.

It is an arithmetic number, because the mean of its divisors is an integer number (59244200475).

Almost surely, 2^118488400949 is an apocalyptic number.

It is an amenable number.

118488400949 is a deficient number, since it is larger than the sum of its proper divisors (1).

118488400949 is an equidigital number, since it uses as much as digits as its factorization.

118488400949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 56.

The spelling of 118488400949 in words is "one hundred eighteen billion, four hundred eighty-eight million, four hundred thousand, nine hundred forty-nine".