82510394651 has 2 divisors, whose sum is σ = 82510394652. Its totient is φ = 82510394650.

The previous prime is 82510394627. The next prime is 82510394653. The reversal of 82510394651 is 15649301528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82510394651 - 2¹⁴ = 82510378267 is a prime.

It is a Sophie Germain prime.

Together with 82510394653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82510394653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41255197325 + 41255197326.

It is an arithmetic number, because the mean of its divisors is an integer number (41255197326).

Almost surely, 2^82510394651 is an apocalyptic number.

82510394651 is a deficient number, since it is larger than the sum of its proper divisors (1).

82510394651 is an equidigital number, since it uses as much as digits as its factorization.

82510394651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 82510394651 in words is "eighty-two billion, five hundred ten million, three hundred ninety-four thousand, six hundred fifty-one".