3865255473 has 8 divisors (see below), whose sum is σ = 5456831328. Its totient is φ = 2425258304.

The previous prime is 3865255453. The next prime is 3865255487. The reversal of 3865255473 is 3745525683.

It is a happy number.

3865255473 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3865255473 - 2⁸ = 3865255217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3865255453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37894611 + ... + 37894712.

It is an arithmetic number, because the mean of its divisors is an integer number (682103916).

Almost surely, 2^3865255473 is an apocalyptic number.

It is an amenable number.

3865255473 is a deficient number, since it is larger than the sum of its proper divisors (1591575855).

3865255473 is a wasteful number, since it uses less digits than its factorization.

3865255473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75789343.

The product of its digits is 3024000, while the sum is 48.

The square root of 3865255473 is about 62171.1787969313. The cubic root of 3865255473 is about 1569.3726073119.

The spelling of 3865255473 in words is "three billion, eight hundred sixty-five million, two hundred fifty-five thousand, four hundred seventy-three".