3486626872644 has 12 divisors (see below), whose sum is σ = 8135462702864. Its totient is φ = 1162208957544.

The previous prime is 3486626872639. The next prime is 3486626872649. The reversal of 3486626872644 is 4462786266843.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3486626872639) and next prime (3486626872649).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3486626872649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145276119682 + ... + 145276119705.

Almost surely, 2^{3486626872644} is an apocalyptic number.

It is an amenable number.

3486626872644 is an abundant number, since it is smaller than the sum of its proper divisors (4648835830220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3486626872644 is a wasteful number, since it uses less digits than its factorization.

3486626872644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290552239394 (or 290552239392 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 66.

The spelling of 3486626872644 in words is "three trillion, four hundred eighty-six billion, six hundred twenty-six million, eight hundred seventy-two thousand, six hundred forty-four".