6529940701845 has 16 divisors (see below), whose sum is σ = 11397714679872. Its totient is φ = 3166031855360.

The previous prime is 6529940701819. The next prime is 6529940701853. The reversal of 6529940701845 is 5481070499256.

6529940701845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6529940701845 - 2²³ = 6529932313237 is a prime.

It is a super-2 number, since 2×6529940701845² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19787698932 + ... + 19787699261.

It is an arithmetic number, because the mean of its divisors is an integer number (712357167492).

Almost surely, 2^{6529940701845} is an apocalyptic number.

It is an amenable number.

6529940701845 is a deficient number, since it is larger than the sum of its proper divisors (4867773978027).

6529940701845 is a wasteful number, since it uses less digits than its factorization.

6529940701845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39575398212.

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 6529940701845 in words is "six trillion, five hundred twenty-nine billion, nine hundred forty million, seven hundred one thousand, eight hundred forty-five".