118547305949 has 2 divisors, whose sum is σ = 118547305950. Its totient is φ = 118547305948.

The previous prime is 118547305883. The next prime is 118547305951. The reversal of 118547305949 is 949503745811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85316568100 + 33230737849 = 292090^2 + 182293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118547305949 is a prime.

Together with 118547305951, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118547305894 and 118547305903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118547305969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59273652974 + 59273652975.

It is an arithmetic number, because the mean of its divisors is an integer number (59273652975).

Almost surely, 2^118547305949 is an apocalyptic number.

It is an amenable number.

118547305949 is a deficient number, since it is larger than the sum of its proper divisors (1).

118547305949 is an equidigital number, since it uses as much as digits as its factorization.

118547305949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 118547305949 in words is "one hundred eighteen billion, five hundred forty-seven million, three hundred five thousand, nine hundred forty-nine".