2542730930181 has 18 divisors (see below), whose sum is σ = 3977091970098. Its totient is φ = 1564757494560.

The previous prime is 2542730930161. The next prime is 2542730930231. The reversal of 2542730930181 is 1810390372452.

It is a happy number.

2542730930181 is a `hidden beast` number, since 2 + 542 + 7 + 3 + 0 + 93 + 0 + 18 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 58532544225 + 2484198385956 = 241935^2 + 1576134^2 .

It is not a de Polignac number, because 2542730930181 - 2²⁹ = 2542194059269 is a prime.

It is a super-2 number, since 2×2542730930181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542730930161) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 835873210 + ... + 835876251.

Almost surely, 2^{2542730930181} is an apocalyptic number.

It is an amenable number.

2542730930181 is a deficient number, since it is larger than the sum of its proper divisors (1434361039917).

2542730930181 is a wasteful number, since it uses less digits than its factorization.

2542730930181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671749493 (or 1671749477 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 2542730930181 in words is "two trillion, five hundred forty-two billion, seven hundred thirty million, nine hundred thirty thousand, one hundred eighty-one".