80243342651 has 2 divisors, whose sum is σ = 80243342652. Its totient is φ = 80243342650.

The previous prime is 80243342639. The next prime is 80243342653. The reversal of 80243342651 is 15624334208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80243342651 - 2⁶ = 80243342587 is a prime.

Together with 80243342653, 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 (80243342653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40121671325 + 40121671326.

It is an arithmetic number, because the mean of its divisors is an integer number (40121671326).

Almost surely, 2^80243342651 is an apocalyptic number.

80243342651 is a deficient number, since it is larger than the sum of its proper divisors (1).

80243342651 is an equidigital number, since it uses as much as digits as its factorization.

80243342651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 80243342651 its reverse (15624334208), we get a palindrome (95867676859).

The spelling of 80243342651 in words is "eighty billion, two hundred forty-three million, three hundred forty-two thousand, six hundred fifty-one".