2663361647 has 2 divisors, whose sum is σ = 2663361648. Its totient is φ = 2663361646.

The previous prime is 2663361619. The next prime is 2663361667. The reversal of 2663361647 is 7461633662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2663361647 - 2²⁴ = 2646584431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2663361598 and 2663361607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663361667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331680823 + 1331680824.

It is an arithmetic number, because the mean of its divisors is an integer number (1331680824).

Almost surely, 2^2663361647 is an apocalyptic number.

2663361647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663361647 is an equidigital number, since it uses as much as digits as its factorization.

2663361647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 44.

The square root of 2663361647 is about 51607.7673126827. The cubic root of 2663361647 is about 1386.1494186983.

The spelling of 2663361647 in words is "two billion, six hundred sixty-three million, three hundred sixty-one thousand, six hundred forty-seven".