80158040639 has 2 divisors, whose sum is σ = 80158040640. Its totient is φ = 80158040638.

The previous prime is 80158040621. The next prime is 80158040659. The reversal of 80158040639 is 93604085108.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80158040639 is a prime.

It is a super-3 number, since 3×80158040639³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 80158040639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80158040659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40079020319 + 40079020320.

It is an arithmetic number, because the mean of its divisors is an integer number (40079020320).

Almost surely, 2^80158040639 is an apocalyptic number.

80158040639 is a deficient number, since it is larger than the sum of its proper divisors (1).

80158040639 is an equidigital number, since it uses as much as digits as its factorization.

80158040639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 80158040639 in words is "eighty billion, one hundred fifty-eight million, forty thousand, six hundred thirty-nine".