2643731655852 has 48 divisors (see below), whose sum is σ = 7057022470400. Its totient is φ = 754594252992.

The previous prime is 2643731655847. The next prime is 2643731655883. The reversal of 2643731655852 is 2585561373462.

It is a junction number, because it is equal to n+sod(n) for n = 2643731655792 and 2643731655801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15700102 + ... + 15867597.

Almost surely, 2^{2643731655852} is an apocalyptic number.

It is an amenable number.

2643731655852 is an abundant number, since it is smaller than the sum of its proper divisors (4413290814548).

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

2643731655852 is a wasteful number, since it uses less digits than its factorization.

2643731655852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31568710 (or 31568708 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 57.

The spelling of 2643731655852 in words is "two trillion, six hundred forty-three billion, seven hundred thirty-one million, six hundred fifty-five thousand, eight hundred fifty-two".