2539619369412 has 12 divisors (see below), whose sum is σ = 5925778528656. Its totient is φ = 846539789800.

The previous prime is 2539619369411. The next prime is 2539619369423. The reversal of 2539619369412 is 2149639169352.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2539619369411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105817473714 + ... + 105817473737.

It is an arithmetic number, because the mean of its divisors is an integer number (493814877388).

Almost surely, 2^{2539619369412} is an apocalyptic number.

It is an amenable number.

2539619369412 is an abundant number, since it is smaller than the sum of its proper divisors (3386159159244).

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

2539619369412 is a wasteful number, since it uses less digits than its factorization.

2539619369412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211634947458 (or 211634947456 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 60.

The spelling of 2539619369412 in words is "two trillion, five hundred thirty-nine billion, six hundred nineteen million, three hundred sixty-nine thousand, four hundred twelve".