718358949 has 80 divisors (see below), whose sum is σ = 1348617600. Its totient is φ = 370189440.

The previous prime is 718358917. The next prime is 718358969. The reversal of 718358949 is 949853817.

718358949 is a `hidden beast` number, since 7 + 18 + 3 + 589 + 49 = 666.

It is not a de Polignac number, because 718358949 - 2⁵ = 718358917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 718358895 and 718358904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718358969) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 928927 + ... + 929699.

It is an arithmetic number, because the mean of its divisors is an integer number (16857720).

Almost surely, 2^718358949 is an apocalyptic number.

It is an amenable number.

718358949 is a deficient number, since it is larger than the sum of its proper divisors (630258651).

718358949 is a wasteful number, since it uses less digits than its factorization.

718358949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 943 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 718358949 is about 26802.2191058875. The cubic root of 718358949 is about 895.5994855929.

The spelling of 718358949 in words is "seven hundred eighteen million, three hundred fifty-eight thousand, nine hundred forty-nine".