3245139516576 has 96 divisors (see below), whose sum is σ = 8599210155648. Its totient is φ = 1071503769600.

The previous prime is 3245139516571. The next prime is 3245139516629. The reversal of 3245139516576 is 6756159315423.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×3245139516576² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3245139516571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800000 + ... + 5434176.

It is an arithmetic number, because the mean of its divisors is an integer number (89575105788).

Almost surely, 2^{3245139516576} 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 3245139516576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4299605077824).

3245139516576 is an abundant number, since it is smaller than the sum of its proper divisors (5354070639072).

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

3245139516576 is a wasteful number, since it uses less digits than its factorization.

3245139516576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634694 (or 634686 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 57.

The spelling of 3245139516576 in words is "three trillion, two hundred forty-five billion, one hundred thirty-nine million, five hundred sixteen thousand, five hundred seventy-six".