3147055343621 has 4 divisors (see below), whose sum is σ = 3596634678432. Its totient is φ = 2697476008812.

The previous prime is 3147055343617. The next prime is 3147055343633. The reversal of 3147055343621 is 1263435507413.

3147055343621 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 3147055343621 - 2² = 3147055343617 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 (3147055343321) 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, 224789667395 + ... + 224789667408.

It is an arithmetic number, because the mean of its divisors is an integer number (899158669608).

Almost surely, 2^{3147055343621} is an apocalyptic number.

It is an amenable number.

3147055343621 is a deficient number, since it is larger than the sum of its proper divisors (449579334811).

3147055343621 is an equidigital number, since it uses as much as digits as its factorization.

3147055343621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449579334810.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 3147055343621 in words is "three trillion, one hundred forty-seven billion, fifty-five million, three hundred forty-three thousand, six hundred twenty-one".