2663705531 has 2 divisors, whose sum is σ = 2663705532. Its totient is φ = 2663705530.

The previous prime is 2663705497. The next prime is 2663705543. The reversal of 2663705531 is 1355073662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2663705531 - 2²² = 2659511227 is a prime.

It is a super-2 number, since 2×2663705531² = 14190654311759983922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2663705581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331852765 + 1331852766.

It is an arithmetic number, because the mean of its divisors is an integer number (1331852766).

Almost surely, 2^2663705531 is an apocalyptic number.

2663705531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663705531 is an equidigital number, since it uses as much as digits as its factorization.

2663705531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 2663705531 is about 51611.0989129276. The cubic root of 2663705531 is about 1386.2090743961.

The spelling of 2663705531 in words is "two billion, six hundred sixty-three million, seven hundred five thousand, five hundred thirty-one".