6155844853 has 4 divisors (see below), whose sum is σ = 6156198828. Its totient is φ = 6155490880.

The previous prime is 6155844841. The next prime is 6155844883. The reversal of 6155844853 is 3584485516.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3523847044 + 2631997809 = 59362^2 + 51303^2 .

It is a cyclic number.

It is not a de Polignac number, because 6155844853 - 2²¹ = 6153747701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6155844797 and 6155844806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155844803) 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, 149476 + ... + 186157.

It is an arithmetic number, because the mean of its divisors is an integer number (1539049707).

Almost surely, 2^6155844853 is an apocalyptic number.

It is an amenable number.

6155844853 is a deficient number, since it is larger than the sum of its proper divisors (353975).

6155844853 is a wasteful number, since it uses less digits than its factorization.

6155844853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353974.

The product of its digits is 2304000, while the sum is 49.

The square root of 6155844853 is about 78459.1922785342. The cubic root of 6155844853 is about 1832.7190266204.

The spelling of 6155844853 in words is "six billion, one hundred fifty-five million, eight hundred forty-four thousand, eight hundred fifty-three".