2547494947452 has 384 divisors, whose sum is σ = 7628563353600. Its totient is φ = 643778150400.

The previous prime is 2547494947429. The next prime is 2547494947579.

2547494947452 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 812078428 + ... + 812081564.

It is an arithmetic number, because the mean of its divisors is an integer number (19866050400).

Almost surely, 2^{2547494947452} 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 2547494947452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3814281676800).

2547494947452 is an abundant number, since it is smaller than the sum of its proper divisors (5081068406148).

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

2547494947452 is a wasteful number, since it uses less digits than its factorization.

2547494947452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501 (or 3499 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 66.

The spelling of 2547494947452 in words is "two trillion, five hundred forty-seven billion, four hundred ninety-four million, nine hundred forty-seven thousand, four hundred fifty-two".