80937992459 has 2 divisors, whose sum is σ = 80937992460. Its totient is φ = 80937992458.

The previous prime is 80937992423. The next prime is 80937992461. The reversal of 80937992459 is 95429973908.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80937992459 is a prime.

It is a super-4 number, since 4×80937992459⁴ (a number of 45 digits) contains 4444 as substring.

Together with 80937992461, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80937992395 and 80937992404.

It is not a weakly prime, because it can be changed into another prime (80937992959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40468996229 + 40468996230.

It is an arithmetic number, because the mean of its divisors is an integer number (40468996230).

Almost surely, 2^80937992459 is an apocalyptic number.

80937992459 is a deficient number, since it is larger than the sum of its proper divisors (1).

80937992459 is an equidigital number, since it uses as much as digits as its factorization.

80937992459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44089920, while the sum is 65.

The spelling of 80937992459 in words is "eighty billion, nine hundred thirty-seven million, nine hundred ninety-two thousand, four hundred fifty-nine".