3855506263 has 4 divisors (see below), whose sum is σ = 4406292880. Its totient is φ = 3304719648.

The previous prime is 3855506257. The next prime is 3855506273. The reversal of 3855506263 is 3626055583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3855506263 - 2⁵ = 3855506231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855506273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275393298 + ... + 275393311.

It is an arithmetic number, because the mean of its divisors is an integer number (1101573220).

Almost surely, 2^3855506263 is an apocalyptic number.

3855506263 is a deficient number, since it is larger than the sum of its proper divisors (550786617).

3855506263 is an equidigital number, since it uses as much as digits as its factorization.

3855506263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550786616.

The product of its (nonzero) digits is 648000, while the sum is 43.

The square root of 3855506263 is about 62092.7231082677. The cubic root of 3855506263 is about 1568.0520370015.

The spelling of 3855506263 in words is "three billion, eight hundred fifty-five million, five hundred six thousand, two hundred sixty-three".