82663145263631 has 2 divisors, whose sum is σ = 82663145263632. Its totient is φ = 82663145263630.

The previous prime is 82663145263607. The next prime is 82663145263661. The reversal of 82663145263631 is 13636254136628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82663145263631 - 2¹⁴ = 82663145247247 is a prime.

It is a super-2 number, since 2×82663145263631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82663145263661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41331572631815 + 41331572631816.

It is an arithmetic number, because the mean of its divisors is an integer number (41331572631816).

Almost surely, 2^{82663145263631} is an apocalyptic number.

82663145263631 is a deficient number, since it is larger than the sum of its proper divisors (1).

82663145263631 is an equidigital number, since it uses as much as digits as its factorization.

82663145263631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 56.

The spelling of 82663145263631 in words is "eighty-two trillion, six hundred sixty-three billion, one hundred forty-five million, two hundred sixty-three thousand, six hundred thirty-one".