3147443653662 has 384 divisors, whose sum is σ = 8837342631936. Its totient is φ = 792513216000.

The previous prime is 3147443653639. The next prime is 3147443653663. The reversal of 3147443653662 is 2663563447413.

It is a happy number.

3147443653662 is a `hidden beast` number, since 3 + 1 + 4 + 7 + 4 + 43 + 6 + 536 + 62 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3147443653599 and 3147443653608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147443653663) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1148281612 + ... + 1148284352.

It is an arithmetic number, because the mean of its divisors is an integer number (23013913104).

Almost surely, 2^{3147443653662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3147443653662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4418671315968).

3147443653662 is an abundant number, since it is smaller than the sum of its proper divisors (5689898978274).

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

3147443653662 is a wasteful number, since it uses less digits than its factorization.

3147443653662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2972 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 54.

The spelling of 3147443653662 in words is "three trillion, one hundred forty-seven billion, four hundred forty-three million, six hundred fifty-three thousand, six hundred sixty-two".