3685797460985 has 8 divisors (see below), whose sum is σ = 4425488707776. Its totient is φ = 2946950132400.

The previous prime is 3685797460981. The next prime is 3685797460991. The reversal of 3685797460985 is 5890647975863.

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

It is not a de Polignac number, because 3685797460985 - 2² = 3685797460981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3685797460981) 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, 210969941 + ... + 210987410.

It is an arithmetic number, because the mean of its divisors is an integer number (553186088472).

Almost surely, 2^{3685797460985} is an apocalyptic number.

It is an amenable number.

3685797460985 is a deficient number, since it is larger than the sum of its proper divisors (739691246791).

3685797460985 is a wasteful number, since it uses less digits than its factorization.

3685797460985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421959103.

The product of its (nonzero) digits is 2743372800, while the sum is 77.

The spelling of 3685797460985 in words is "three trillion, six hundred eighty-five billion, seven hundred ninety-seven million, four hundred sixty thousand, nine hundred eighty-five".