2643416112551 has 2 divisors, whose sum is σ = 2643416112552. Its totient is φ = 2643416112550.

The previous prime is 2643416112541. The next prime is 2643416112553. The reversal of 2643416112551 is 1552116143462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2643416112551 - 2²² = 2643411918247 is a prime.

Together with 2643416112553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2643416112499 and 2643416112508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643416112553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321708056275 + 1321708056276.

It is an arithmetic number, because the mean of its divisors is an integer number (1321708056276).

Almost surely, 2^{2643416112551} is an apocalyptic number.

2643416112551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643416112551 is an equidigital number, since it uses as much as digits as its factorization.

2643416112551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The spelling of 2643416112551 in words is "two trillion, six hundred forty-three billion, four hundred sixteen million, one hundred twelve thousand, five hundred fifty-one".