2130454544 has 10 divisors (see below), whose sum is σ = 4127755710. Its totient is φ = 1065227264.

The previous prime is 2130454537. The next prime is 2130454549. The reversal of 2130454544 is 4454540312.

It can be written as a sum of positive squares in only one way, i.e., 1777465600 + 352988944 = 42160^2 + 18788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2130454544.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66576689 + ... + 66576720.

It is an arithmetic number, because the mean of its divisors is an integer number (412775571).

Almost surely, 2^2130454544 is an apocalyptic number.

It is an amenable number.

2130454544 is a deficient number, since it is larger than the sum of its proper divisors (1997301166).

2130454544 is a wasteful number, since it uses less digits than its factorization.

2130454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133153417 (or 133153411 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2130454544 is about 46156.8472060213. The cubic root of 2130454544 is about 1286.7398687028.

Adding to 2130454544 its reverse (4454540312), we get a palindrome (6584994856).

The spelling of 2130454544 in words is "two billion, one hundred thirty million, four hundred fifty-four thousand, five hundred forty-four".