3991574681702 has 8 divisors (see below), whose sum is σ = 5990158554912. Its totient is φ = 1994855163400.

The previous prime is 3991574681621. The next prime is 3991574681723. The reversal of 3991574681702 is 2071864751993.

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

It is a super-2 number, since 2×3991574681702² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466083374 + ... + 466091937.

It is an arithmetic number, because the mean of its divisors is an integer number (748769819364).

It is a 1-persistent number, because it is pandigital, but 2⋅3991574681702 = 7983149363404 is not.

Almost surely, 2^{3991574681702} is an apocalyptic number.

3991574681702 is a deficient number, since it is larger than the sum of its proper divisors (1998583873210).

3991574681702 is a wasteful number, since it uses less digits than its factorization.

3991574681702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932177454.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 3991574681702 in words is "three trillion, nine hundred ninety-one billion, five hundred seventy-four million, six hundred eighty-one thousand, seven hundred two".