2543952639067 has 16 divisors (see below), whose sum is σ = 3010936563712. Its totient is φ = 2103317487360.

The previous prime is 2543952639043. The next prime is 2543952639071. The reversal of 2543952639067 is 7609362593452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543952639067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543952638996 and 2543952639014.

It is not an unprimeable number, because it can be changed into a prime (2543952639037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19026678 + ... + 19159915.

It is an arithmetic number, because the mean of its divisors is an integer number (188183535232).

Almost surely, 2^{2543952639067} is an apocalyptic number.

2543952639067 is a deficient number, since it is larger than the sum of its proper divisors (466983924645).

2543952639067 is a wasteful number, since it uses less digits than its factorization.

2543952639067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38186938.

The product of its (nonzero) digits is 73483200, while the sum is 61.

The spelling of 2543952639067 in words is "two trillion, five hundred forty-three billion, nine hundred fifty-two million, six hundred thirty-nine thousand, sixty-seven".