3865473753 has 16 divisors (see below), whose sum is σ = 5744358720. Its totient is φ = 2297742336.

The previous prime is 3865473739. The next prime is 3865473763. The reversal of 3865473753 is 3573745683.

It is a happy number.

It is not a de Polignac number, because 3865473753 - 2⁸ = 3865473497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 3865473696 and 3865473705.

It is not an unprimeable number, because it can be changed into a prime (3865473763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993600 + ... + 1995537.

It is an arithmetic number, because the mean of its divisors is an integer number (359022420).

Almost surely, 2^3865473753 is an apocalyptic number.

It is an amenable number.

3865473753 is a deficient number, since it is larger than the sum of its proper divisors (1878884967).

3865473753 is a wasteful number, since it uses less digits than its factorization.

3865473753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989176.

The product of its digits is 6350400, while the sum is 51.

The square root of 3865473753 is about 62172.9342479507. The cubic root of 3865473753 is about 1569.4021488008.

The spelling of 3865473753 in words is "three billion, eight hundred sixty-five million, four hundred seventy-three thousand, seven hundred fifty-three".