4781451448005 has 16 divisors (see below), whose sum is σ = 7674921431424. Its totient is φ = 2541907734080.

The previous prime is 4781451447937. The next prime is 4781451448043. The reversal of 4781451448005 is 5008441541874.

It is a happy number.

It is not a de Polignac number, because 4781451448005 - 2²² = 4781447253701 is a prime.

It is a super-2 number, since 2×4781451448005² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512476734 + ... + 512486063.

It is an arithmetic number, because the mean of its divisors is an integer number (479682589464).

Almost surely, 2^{4781451448005} is an apocalyptic number.

It is an amenable number.

4781451448005 is a deficient number, since it is larger than the sum of its proper divisors (2893469983419).

4781451448005 is a wasteful number, since it uses less digits than its factorization.

4781451448005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024963116.

The product of its (nonzero) digits is 2867200, while the sum is 51.

Adding to 4781451448005 its reverse (5008441541874), we get a palindrome (9789892989879).

The spelling of 4781451448005 in words is "four trillion, seven hundred eighty-one billion, four hundred fifty-one million, four hundred forty-eight thousand, five".