3694486505472 has 1920 divisors, whose sum is σ = 14247423590400. Its totient is φ = 929142669312.

The previous prime is 3694486505461. The next prime is 3694486505497. The reversal of 3694486505472 is 2745056844963.

3694486505472 is a `hidden beast` number, since 3 + 6 + 9 + 4 + 4 + 86 + 5 + 0 + 547 + 2 = 666.

It is a super-2 number, since 2×3694486505472² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 35868800973 + ... + 35868801075.

It is an arithmetic number, because the mean of its divisors is an integer number (7420533120).

Almost surely, 2^{3694486505472} is an apocalyptic number.

3694486505472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3694486505472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7123711795200).

3694486505472 is an abundant number, since it is smaller than the sum of its proper divisors (10552937084928).

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

3694486505472 is a wasteful number, since it uses less digits than its factorization.

3694486505472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 3694486505472 in words is "three trillion, six hundred ninety-four billion, four hundred eighty-six million, five hundred five thousand, four hundred seventy-two".