8081340743698 has 4 divisors (see below), whose sum is σ = 12122011115550. Its totient is φ = 4040670371848.

The previous prime is 8081340743689. The next prime is 8081340743711. The reversal of 8081340743698 is 8963470431808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7193944715409 + 887396028289 = 2682153^2 + 942017^2 .

It is a super-3 number, since 3×8081340743698³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

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, 2020335185923 + ... + 2020335185926.

Almost surely, 2^{8081340743698} is an apocalyptic number.

8081340743698 is a deficient number, since it is larger than the sum of its proper divisors (4040670371852).

8081340743698 is a wasteful number, since it uses less digits than its factorization.

8081340743698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040670371851.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 8081340743698 in words is "eight trillion, eighty-one billion, three hundred forty million, seven hundred forty-three thousand, six hundred ninety-eight".