2473781406 has 8 divisors (see below), whose sum is σ = 4947562824. Its totient is φ = 824593800.

The previous prime is 2473781381. The next prime is 2473781411. The reversal of 2473781406 is 6041873742.

It is a sphenic number, since it is the product of 3 distinct primes.

2473781406 is an admirable number.

It is a super-2 number, since 2×2473781406² = 12239188889342673672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206148445 + ... + 206148456.

It is an arithmetic number, because the mean of its divisors is an integer number (618445353).

Almost surely, 2^2473781406 is an apocalyptic number.

2473781406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2473781406 is a wasteful number, since it uses less digits than its factorization.

2473781406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412296906.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 2473781406 is about 49737.1230169177. The cubic root of 2473781406 is about 1352.4475773691.

The spelling of 2473781406 in words is "two billion, four hundred seventy-three million, seven hundred eighty-one thousand, four hundred six".