3648857786371 has 8 divisors (see below), whose sum is σ = 4191291324000. Its totient is φ = 3111716283648.

The previous prime is 3648857786363. The next prime is 3648857786377. The reversal of 3648857786371 is 1736877588463.

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

It is not a de Polignac number, because 3648857786371 - 2³ = 3648857786363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3648857786294 and 3648857786303.

It is not an unprimeable number, because it can be changed into a prime (3648857786377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323007246 + ... + 1323010003.

It is an arithmetic number, because the mean of its divisors is an integer number (523911415500).

Almost surely, 2^{3648857786371} is an apocalyptic number.

3648857786371 is a deficient number, since it is larger than the sum of its proper divisors (542433537629).

3648857786371 is a wasteful number, since it uses less digits than its factorization.

3648857786371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646017453.

The product of its digits is 1137991680, while the sum is 73.

The spelling of 3648857786371 in words is "three trillion, six hundred forty-eight billion, eight hundred fifty-seven million, seven hundred eighty-six thousand, three hundred seventy-one".