2618428473 has 24 divisors (see below), whose sum is σ = 3959766720. Its totient is φ = 1665105120.

The previous prime is 2618428453. The next prime is 2618428489. The reversal of 2618428473 is 3748248162.

It is a happy number.

2618428473 is a `hidden beast` number, since 2 + 618 + 4 + 28 + 4 + 7 + 3 = 666.

It is not a de Polignac number, because 2618428473 - 2⁵ = 2618428441 is a prime.

It is a super-2 number, since 2×2618428473² = 13712335336434223458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2618428403) 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, 38773 + ... + 82098.

It is an arithmetic number, because the mean of its divisors is an integer number (164990280).

Almost surely, 2^2618428473 is an apocalyptic number.

It is an amenable number.

2618428473 is a deficient number, since it is larger than the sum of its proper divisors (1341338247).

2618428473 is a wasteful number, since it uses less digits than its factorization.

2618428473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120989 (or 120986 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 2618428473 is about 51170.5821053464. The cubic root of 2618428473 is about 1378.3099932575.

The spelling of 2618428473 in words is "two billion, six hundred eighteen million, four hundred twenty-eight thousand, four hundred seventy-three".