3609480731472 has 400 divisors, whose sum is σ = 13090209792000. Its totient is φ = 932811137280.

The previous prime is 3609480731453. The next prime is 3609480731491. The reversal of 3609480731472 is 2741370849063.

3609480731472 is a `hidden beast` number, since 3 + 6 + 0 + 94 + 80 + 7 + 3 + 1 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (3609480731453) and next prime (3609480731491).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19767729 + ... + 19949487.

It is an arithmetic number, because the mean of its divisors is an integer number (32725524480).

Almost surely, 2^{3609480731472} 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 3609480731472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6545104896000).

3609480731472 is an abundant number, since it is smaller than the sum of its proper divisors (9480729060528).

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

3609480731472 is a wasteful number, since it uses less digits than its factorization.

3609480731472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181996 (or 181981 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 3609480731472 in words is "three trillion, six hundred nine billion, four hundred eighty million, seven hundred thirty-one thousand, four hundred seventy-two".