80461909037 has 2 divisors, whose sum is σ = 80461909038. Its totient is φ = 80461909036.

The previous prime is 80461908929. The next prime is 80461909147. The reversal of 80461909037 is 73090916408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55531393801 + 24930515236 = 235651^2 + 157894^2 .

It is a cyclic number.

It is not a de Polignac number, because 80461909037 - 2²⁶ = 80394800173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80461908982 and 80461909000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80461909237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40230954518 + 40230954519.

It is an arithmetic number, because the mean of its divisors is an integer number (40230954519).

Almost surely, 2^80461909037 is an apocalyptic number.

It is an amenable number.

80461909037 is a deficient number, since it is larger than the sum of its proper divisors (1).

80461909037 is an equidigital number, since it uses as much as digits as its factorization.

80461909037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 80461909037 in words is "eighty billion, four hundred sixty-one million, nine hundred nine thousand, thirty-seven".