8081749951 has 8 divisors (see below), whose sum is σ = 8819043408. Its totient is φ = 7344888000.

The previous prime is 8081749927. The next prime is 8081749979. The reversal of 8081749951 is 1599471808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8081749951 - 2¹⁷ = 8081618879 is a prime.

It is a super-4 number, since 4×8081749951⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081749451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68070 + ... + 144211.

It is an arithmetic number, because the mean of its divisors is an integer number (1102380426).

Almost surely, 2^8081749951 is an apocalyptic number.

8081749951 is a deficient number, since it is larger than the sum of its proper divisors (737293457).

8081749951 is a wasteful number, since it uses less digits than its factorization.

8081749951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215753.

The product of its (nonzero) digits is 725760, while the sum is 52.

The square root of 8081749951 is about 89898.5536646725. The cubic root of 8081749951 is about 2006.7894217125.

The spelling of 8081749951 in words is "eight billion, eighty-one million, seven hundred forty-nine thousand, nine hundred fifty-one".