82980945251 has 2 divisors, whose sum is σ = 82980945252. Its totient is φ = 82980945250.

The previous prime is 82980945227. The next prime is 82980945259. The reversal of 82980945251 is 15254908928.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82980945251 - 2²⁶ = 82913836387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82980945193 and 82980945202.

It is not a weakly prime, because it can be changed into another prime (82980945259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41490472625 + 41490472626.

It is an arithmetic number, because the mean of its divisors is an integer number (41490472626).

Almost surely, 2^82980945251 is an apocalyptic number.

82980945251 is a deficient number, since it is larger than the sum of its proper divisors (1).

82980945251 is an equidigital number, since it uses as much as digits as its factorization.

82980945251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 82980945251 in words is "eighty-two billion, nine hundred eighty million, nine hundred forty-five thousand, two hundred fifty-one".