3865052213452 has 24 divisors (see below), whose sum is σ = 7538646734640. Its totient is φ = 1723119252480.

The previous prime is 3865052213443. The next prime is 3865052213527. The reversal of 3865052213452 is 2543122505683.

It is a super-2 number, since 2×3865052213452² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1495761949 + ... + 1495764532.

It is an arithmetic number, because the mean of its divisors is an integer number (314110280610).

Almost surely, 2^{3865052213452} is an apocalyptic number.

It is an amenable number.

3865052213452 is a deficient number, since it is larger than the sum of its proper divisors (3673594521188).

3865052213452 is a wasteful number, since it uses less digits than its factorization.

3865052213452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991526521 (or 2991526519 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 3865052213452 in words is "three trillion, eight hundred sixty-five billion, fifty-two million, two hundred thirteen thousand, four hundred fifty-two".