2542531869845 has 8 divisors (see below), whose sum is σ = 3328405356960. Its totient is φ = 1849114087120.

The previous prime is 2542531869833. The next prime is 2542531869877. The reversal of 2542531869845 is 5489681352452.

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

It is not a de Polignac number, because 2542531869845 - 2⁶ = 2542531869781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23113926035 + ... + 23113926144.

It is an arithmetic number, because the mean of its divisors is an integer number (416050669620).

Almost surely, 2^{2542531869845} is an apocalyptic number.

It is an amenable number.

2542531869845 is a deficient number, since it is larger than the sum of its proper divisors (785873487115).

2542531869845 is a wasteful number, since it uses less digits than its factorization.

2542531869845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46227852195.

The product of its digits is 82944000, while the sum is 62.

The spelling of 2542531869845 in words is "two trillion, five hundred forty-two billion, five hundred thirty-one million, eight hundred sixty-nine thousand, eight hundred forty-five".