80606946361 has 4 divisors (see below), whose sum is σ = 80615043712. Its totient is φ = 80598849012.

The previous prime is 80606946349. The next prime is 80606946373. The reversal of 80606946361 is 16364960608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (80606946349) and next prime (80606946373).

It is a cyclic number.

It is not a de Polignac number, because 80606946361 - 2⁹ = 80606945849 is a prime.

It is a super-2 number, since 2×80606946361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80606946341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4033725 + ... + 4053658.

It is an arithmetic number, because the mean of its divisors is an integer number (20153760928).

Almost surely, 2^80606946361 is an apocalyptic number.

It is an amenable number.

80606946361 is a deficient number, since it is larger than the sum of its proper divisors (8097351).

80606946361 is an equidigital number, since it uses as much as digits as its factorization.

80606946361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097350.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 80606946361 in words is "eighty billion, six hundred six million, nine hundred forty-six thousand, three hundred sixty-one".