2155733753 has 4 divisors (see below), whose sum is σ = 2157118080. Its totient is φ = 2154349428.

The previous prime is 2155733689. The next prime is 2155733779. The reversal of 2155733753 is 3573375512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2155733753 - 2⁶ = 2155733689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2155733753.

It is not an unprimeable number, because it can be changed into a prime (2155733653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689825 + ... + 692942.

It is an arithmetic number, because the mean of its divisors is an integer number (539279520).

Almost surely, 2^2155733753 is an apocalyptic number.

It is an amenable number.

2155733753 is a deficient number, since it is larger than the sum of its proper divisors (1384327).

2155733753 is a wasteful number, since it uses less digits than its factorization.

2155733753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384326.

The product of its digits is 330750, while the sum is 41.

The square root of 2155733753 is about 46429.8799589230. The cubic root of 2155733753 is about 1291.8092021206.

The spelling of 2155733753 in words is "two billion, one hundred fifty-five million, seven hundred thirty-three thousand, seven hundred fifty-three".