3633394489144 has 64 divisors (see below), whose sum is σ = 7988074536960. Its totient is φ = 1516840661760.

The previous prime is 3633394489117. The next prime is 3633394489171. The reversal of 3633394489144 is 4419844933363.

It is an interprime number because it is at equal distance from previous prime (3633394489117) and next prime (3633394489171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262569 + ... + 2708455.

It is an arithmetic number, because the mean of its divisors is an integer number (124813664640).

Almost surely, 2^{3633394489144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3633394489144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994037268480).

3633394489144 is an abundant number, since it is smaller than the sum of its proper divisors (4354680047816).

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

3633394489144 is a wasteful number, since it uses less digits than its factorization.

3633394489144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446588 (or 2446584 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 61.

The spelling of 3633394489144 in words is "three trillion, six hundred thirty-three billion, three hundred ninety-four million, four hundred eighty-nine thousand, one hundred forty-four".