3865058565426 has 16 divisors (see below), whose sum is σ = 8589019034400. Its totient is φ = 1288352855124.

The previous prime is 3865058565373. The next prime is 3865058565427. The reversal of 3865058565426 is 6245658505683.

It is a happy number.

3865058565426 is a `hidden beast` number, since 3 + 8 + 6 + 5 + 0 + 5 + 85 + 6 + 542 + 6 = 666.

It is a super-2 number, since 2×3865058565426² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3865058565427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35787579256 + ... + 35787579363.

It is an arithmetic number, because the mean of its divisors is an integer number (536813689650).

Almost surely, 2^{3865058565426} is an apocalyptic number.

3865058565426 is an abundant number, since it is smaller than the sum of its proper divisors (4723960468974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865058565426 is a wasteful number, since it uses less digits than its factorization.

3865058565426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71575158630 (or 71575158624 counting only the distinct ones).

The product of its (nonzero) digits is 207360000, while the sum is 63.

The spelling of 3865058565426 in words is "three trillion, eight hundred sixty-five billion, fifty-eight million, five hundred sixty-five thousand, four hundred twenty-six".