118345623949 has 16 divisors (see below), whose sum is σ = 139019200000. Its totient is φ = 98618217984.

The previous prime is 118345623887. The next prime is 118345623961. The reversal of 118345623949 is 949326543811.

It is a cyclic number.

It is not a de Polignac number, because 118345623949 - 2⁷ = 118345623821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118345623949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118345723949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140572 + ... + 506410.

It is an arithmetic number, because the mean of its divisors is an integer number (8688700000).

Almost surely, 2^118345623949 is an apocalyptic number.

It is an amenable number.

118345623949 is a deficient number, since it is larger than the sum of its proper divisors (20673576051).

118345623949 is a wasteful number, since it uses less digits than its factorization.

118345623949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367132.

The product of its digits is 5598720, while the sum is 55.

The spelling of 118345623949 in words is "one hundred eighteen billion, three hundred forty-five million, six hundred twenty-three thousand, nine hundred forty-nine".