4950722018 has 18 divisors (see below), whose sum is σ = 8164359147. Its totient is φ = 2249830660.

The previous prime is 4950722011. The next prime is 4950722039. The reversal of 4950722018 is 8102270594.

It can be written as a sum of positive squares in only one way, i.e., 2475361009 + 2475361009 = 49753^2 + 49753^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=49753.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4950722011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1092305 + ... + 1096827.

Almost surely, 2^4950722018 is an apocalyptic number.

4950722018 is a deficient number, since it is larger than the sum of its proper divisors (3213637129).

4950722018 is an frugal number, since it uses more digits than its factorization.

4950722018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 4950722018 is about 70361.3673687486. The cubic root of 4950722018 is about 1704.3397790641.

The spelling of 4950722018 in words is "four billion, nine hundred fifty million, seven hundred twenty-two thousand, eighteen".