2643612641331 has 8 divisors (see below), whose sum is σ = 3524837990400. Its totient is φ = 1762397859912.

The previous prime is 2643612641323. The next prime is 2643612641393. The reversal of 2643612641331 is 1331462163462.

2643612641331 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2643612641331 - 2³ = 2643612641323 is a prime.

It is a super-2 number, since 2×2643612641331² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2643612441331) 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, 2038515 + ... + 3072908.

It is an arithmetic number, because the mean of its divisors is an integer number (440604748800).

Almost surely, 2^{2643612641331} is an apocalyptic number.

2643612641331 is a deficient number, since it is larger than the sum of its proper divisors (881225349069).

2643612641331 is a wasteful number, since it uses less digits than its factorization.

2643612641331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283825.

The product of its digits is 373248, while the sum is 42.

The spelling of 2643612641331 in words is "two trillion, six hundred forty-three billion, six hundred twelve million, six hundred forty-one thousand, three hundred thirty-one".