82634741381 has 2 divisors, whose sum is σ = 82634741382. Its totient is φ = 82634741380.

The previous prime is 82634741341. The next prime is 82634741401. The reversal of 82634741381 is 18314743628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82079385025 + 555356356 = 286495^2 + 23566^2 .

It is a cyclic number.

It is not a de Polignac number, because 82634741381 - 2⁶ = 82634741317 is a prime.

It is a super-2 number, since 2×82634741381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82634741341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41317370690 + 41317370691.

It is an arithmetic number, because the mean of its divisors is an integer number (41317370691).

Almost surely, 2^82634741381 is an apocalyptic number.

It is an amenable number.

82634741381 is a deficient number, since it is larger than the sum of its proper divisors (1).

82634741381 is an equidigital number, since it uses as much as digits as its factorization.

82634741381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The spelling of 82634741381 in words is "eighty-two billion, six hundred thirty-four million, seven hundred forty-one thousand, three hundred eighty-one".