4623647534551 has 2 divisors, whose sum is σ = 4623647534552. Its totient is φ = 4623647534550.

The previous prime is 4623647534533. The next prime is 4623647534581. The reversal of 4623647534551 is 1554357463264.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4623647534551 - 2¹¹ = 4623647532503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4623647534492 and 4623647534501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4623647534501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2311823767275 + 2311823767276.

It is an arithmetic number, because the mean of its divisors is an integer number (2311823767276).

Almost surely, 2^{4623647534551} is an apocalyptic number.

4623647534551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4623647534551 is an equidigital number, since it uses as much as digits as its factorization.

4623647534551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 55.

The spelling of 4623647534551 in words is "four trillion, six hundred twenty-three billion, six hundred forty-seven million, five hundred thirty-four thousand, five hundred fifty-one".