80198610451 has 2 divisors, whose sum is σ = 80198610452. Its totient is φ = 80198610450.

The previous prime is 80198610449. The next prime is 80198610463. The reversal of 80198610451 is 15401689108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80198610451 - 2¹ = 80198610449 is a prime.

Together with 80198610449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 80198610398 and 80198610407.

It is not a weakly prime, because it can be changed into another prime (80198610551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40099305225 + 40099305226.

It is an arithmetic number, because the mean of its divisors is an integer number (40099305226).

Almost surely, 2^80198610451 is an apocalyptic number.

80198610451 is a deficient number, since it is larger than the sum of its proper divisors (1).

80198610451 is an equidigital number, since it uses as much as digits as its factorization.

80198610451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 80198610451 in words is "eighty billion, one hundred ninety-eight million, six hundred ten thousand, four hundred fifty-one".