2121483544 has 16 divisors (see below), whose sum is σ = 3997976400. Its totient is φ = 1055356512.

The previous prime is 2121483527. The next prime is 2121483547. The reversal of 2121483544 is 4453841212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121483547) 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, 671484 + ... + 674635.

It is an arithmetic number, because the mean of its divisors is an integer number (249873525).

Almost surely, 2^2121483544 is an apocalyptic number.

It is an amenable number.

2121483544 is a deficient number, since it is larger than the sum of its proper divisors (1876492856).

2121483544 is a wasteful number, since it uses less digits than its factorization.

2121483544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346322 (or 1346318 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 2121483544 is about 46059.5651738051. The cubic root of 2121483544 is about 1284.9312431227.

The spelling of 2121483544 in words is "two billion, one hundred twenty-one million, four hundred eighty-three thousand, five hundred forty-four".