6542021484 has 24 divisors (see below), whose sum is σ = 16960796720. Its totient is φ = 2180673792.

The previous prime is 6542021477. The next prime is 6542021501. The reversal of 6542021484 is 4841202456.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30287029 + ... + 30287244.

Almost surely, 2^6542021484 is an apocalyptic number.

It is an amenable number.

6542021484 is an abundant number, since it is smaller than the sum of its proper divisors (10418775236).

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

6542021484 is a wasteful number, since it uses less digits than its factorization.

6542021484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60574286 (or 60574278 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 6542021484 is about 80882.7638251809. The cubic root of 6542021484 is about 1870.2686264179.

The spelling of 6542021484 in words is "six billion, five hundred forty-two million, twenty-one thousand, four hundred eighty-four".