7018490493 has 24 divisors (see below), whose sum is σ = 11588889728. Its totient is φ = 4009593312.

The previous prime is 7018490461. The next prime is 7018490513. The reversal of 7018490493 is 3940948107.

7018490493 is a `hidden beast` number, since 70 + 1 + 8 + 4 + 90 + 493 = 666.

It is not a de Polignac number, because 7018490493 - 2⁵ = 7018490461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7018490093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308880 + ... + 330822.

Almost surely, 2^7018490493 is an apocalyptic number.

It is an amenable number.

7018490493 is a deficient number, since it is larger than the sum of its proper divisors (4570399235).

7018490493 is a wasteful number, since it uses less digits than its factorization.

7018490493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27033 (or 27030 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 7018490493 is about 83776.4316081796. The cubic root of 7018490493 is about 1914.6140371571.

The spelling of 7018490493 in words is "seven billion, eighteen million, four hundred ninety thousand, four hundred ninety-three".