2481447656 has 16 divisors (see below), whose sum is σ = 4680577440. Its totient is φ = 1233293680.

The previous prime is 2481447649. The next prime is 2481447677. The reversal of 2481447656 is 6567441842.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2481447656.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927350 + ... + 930021.

It is an arithmetic number, because the mean of its divisors is an integer number (292536090).

Almost surely, 2^2481447656 is an apocalyptic number.

It is an amenable number.

2481447656 is a deficient number, since it is larger than the sum of its proper divisors (2199129784).

2481447656 is a wasteful number, since it uses less digits than its factorization.

2481447656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857544 (or 1857540 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The square root of 2481447656 is about 49814.1310874736. The cubic root of 2481447656 is about 1353.8432152729.

The spelling of 2481447656 in words is "two billion, four hundred eighty-one million, four hundred forty-seven thousand, six hundred fifty-six".