3675239010581 has 2 divisors, whose sum is σ = 3675239010582. Its totient is φ = 3675239010580.

The previous prime is 3675239010551. The next prime is 3675239010637. The reversal of 3675239010581 is 1850109325763.

3675239010581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3296603079025 + 378635931556 = 1815655^2 + 615334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3675239010581 is a prime.

It is a super-4 number, since 4×3675239010581⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3675239010551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1837619505290 + 1837619505291.

It is an arithmetic number, because the mean of its divisors is an integer number (1837619505291).

Almost surely, 2^{3675239010581} is an apocalyptic number.

It is an amenable number.

3675239010581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3675239010581 is an equidigital number, since it uses as much as digits as its factorization.

3675239010581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 3675239010581 in words is "three trillion, six hundred seventy-five billion, two hundred thirty-nine million, ten thousand, five hundred eighty-one".