2481909406 has 4 divisors (see below), whose sum is σ = 3722864112. Its totient is φ = 1240954702.

The previous prime is 2481909403. The next prime is 2481909431. The reversal of 2481909406 is 6049091842.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481909403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620477350 + ... + 620477353.

It is an arithmetic number, because the mean of its divisors is an integer number (930716028).

Almost surely, 2^2481909406 is an apocalyptic number.

2481909406 is a deficient number, since it is larger than the sum of its proper divisors (1240954706).

2481909406 is a wasteful number, since it uses less digits than its factorization.

2481909406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240954705.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2481909406 is about 49818.7656009259. The cubic root of 2481909406 is about 1353.9271848504.

The spelling of 2481909406 in words is "two billion, four hundred eighty-one million, nine hundred nine thousand, four hundred six".