4526521813 has 16 divisors (see below), whose sum is σ = 5240664576. Its totient is φ = 3863946240.

The previous prime is 4526521801. The next prime is 4526521889. The reversal of 4526521813 is 3181256254.

It is a de Polignac number, because none of the positive numbers 2^k-4526521813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4526591813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53020 + ... + 108922.

It is an arithmetic number, because the mean of its divisors is an integer number (327541536).

Almost surely, 2^4526521813 is an apocalyptic number.

It is an amenable number.

4526521813 is a deficient number, since it is larger than the sum of its proper divisors (714142763).

4526521813 is a wasteful number, since it uses less digits than its factorization.

4526521813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56364.

The product of its digits is 57600, while the sum is 37.

The square root of 4526521813 is about 67279.4308314213. The cubic root of 4526521813 is about 1654.2007212588.

The spelling of 4526521813 in words is "four billion, five hundred twenty-six million, five hundred twenty-one thousand, eight hundred thirteen".