3643256315356 has 24 divisors (see below), whose sum is σ = 7291843001856. Its totient is φ = 1560253341360.

The previous prime is 3643256315351. The next prime is 3643256315381. The reversal of 3643256315356 is 6535136523463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643256315351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47553640 + ... + 47630191.

It is an arithmetic number, because the mean of its divisors is an integer number (303826791744).

Almost surely, 2^{3643256315356} is an apocalyptic number.

It is an amenable number.

3643256315356 is an abundant number, since it is smaller than the sum of its proper divisors (3648586686500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3643256315356 is a wasteful number, since it uses less digits than its factorization.

3643256315356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95185209 (or 95185207 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 52.

The spelling of 3643256315356 in words is "three trillion, six hundred forty-three billion, two hundred fifty-six million, three hundred fifteen thousand, three hundred fifty-six".