3155642653 has 4 divisors (see below), whose sum is σ = 3193662528. Its totient is φ = 3117622780.

The previous prime is 3155642593. The next prime is 3155642681. The reversal of 3155642653 is 3562465513.

3155642653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3155642653 - 2⁹ = 3155642141 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 (3155642053) 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, 19009813 + ... + 19009978.

It is an arithmetic number, because the mean of its divisors is an integer number (798415632).

Almost surely, 2^3155642653 is an apocalyptic number.

It is an amenable number.

3155642653 is a deficient number, since it is larger than the sum of its proper divisors (38019875).

3155642653 is an equidigital number, since it uses as much as digits as its factorization.

3155642653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38019874.

The product of its digits is 324000, while the sum is 40.

The square root of 3155642653 is about 56175.1070581979. The cubic root of 3155642653 is about 1466.7719829735.

The spelling of 3155642653 in words is "three billion, one hundred fifty-five million, six hundred forty-two thousand, six hundred fifty-three".