2130454542 has 16 divisors (see below), whose sum is σ = 4320922752. Its totient is φ = 700149240.

The previous prime is 2130454537. The next prime is 2130454549. The reversal of 2130454542 is 2454540312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130454549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500108 + ... + 2500959.

It is an arithmetic number, because the mean of its divisors is an integer number (270057672).

Almost surely, 2^2130454542 is an apocalyptic number.

2130454542 is an abundant number, since it is smaller than the sum of its proper divisors (2190468210).

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

2130454542 is a wasteful number, since it uses less digits than its factorization.

2130454542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001143.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2130454542 is about 46156.8471843561. The cubic root of 2130454542 is about 1286.7398683002.

Adding to 2130454542 its reverse (2454540312), we get a palindrome (4584994854).

The spelling of 2130454542 in words is "two billion, one hundred thirty million, four hundred fifty-four thousand, five hundred forty-two".