4530496781 has 16 divisors (see below), whose sum is σ = 4813670400. Its totient is φ = 4251901248.

The previous prime is 4530496759. The next prime is 4530496793. The reversal of 4530496781 is 1876940354.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4530496781 is a prime.

It is a super-2 number, since 2×4530496781² = 41050802165302723922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4530496721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675171 + ... + 2676863.

It is an arithmetic number, because the mean of its divisors is an integer number (300854400).

Almost surely, 2^4530496781 is an apocalyptic number.

It is an amenable number.

4530496781 is a deficient number, since it is larger than the sum of its proper divisors (283173619).

4530496781 is a wasteful number, since it uses less digits than its factorization.

4530496781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 4530496781 is about 67308.9650863836. The cubic root of 4530496781 is about 1654.6847920615.

The spelling of 4530496781 in words is "four billion, five hundred thirty million, four hundred ninety-six thousand, seven hundred eighty-one".