2572851387449 has 8 divisors (see below), whose sum is σ = 2941292372928. Its totient is φ = 2204633098800.

The previous prime is 2572851387443. The next prime is 2572851387467. The reversal of 2572851387449 is 9447831582752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2572851387449 - 2⁴ = 2572851387433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2572851387443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55649447 + ... + 55695660.

It is an arithmetic number, because the mean of its divisors is an integer number (367661546616).

Almost surely, 2^{2572851387449} is an apocalyptic number.

It is an amenable number.

2572851387449 is a deficient number, since it is larger than the sum of its proper divisors (368440985479).

2572851387449 is a wasteful number, since it uses less digits than its factorization.

2572851387449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111348415.

The product of its digits is 135475200, while the sum is 65.

The spelling of 2572851387449 in words is "two trillion, five hundred seventy-two billion, eight hundred fifty-one million, three hundred eighty-seven thousand, four hundred forty-nine".