6542100422 has 128 divisors (see below), whose sum is σ = 12245022720. Its totient is φ = 2581770240.

The previous prime is 6542100391. The next prime is 6542100443. The reversal of 6542100422 is 2240012456.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 6542100391 and 6542100400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57894638 + ... + 57894750.

It is an arithmetic number, because the mean of its divisors is an integer number (95664240).

Almost surely, 2^6542100422 is an apocalyptic number.

6542100422 is a deficient number, since it is larger than the sum of its proper divisors (5702922298).

6542100422 is a wasteful number, since it uses less digits than its factorization.

6542100422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 6542100422 is about 80883.2518015936. The cubic root of 6542100422 is about 1870.2761487957.

Adding to 6542100422 its reverse (2240012456), we get a palindrome (8782112878).

The spelling of 6542100422 in words is "six billion, five hundred forty-two million, one hundred thousand, four hundred twenty-two".