6218905542 has 32 divisors (see below), whose sum is σ = 13110232320. Its totient is φ = 1961195040.

The previous prime is 6218905519. The next prime is 6218905547. The reversal of 6218905542 is 2455098126.

It is a super-3 number, since 3×6218905542³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6218905494 and 6218905503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6218905547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47992 + ... + 121412.

It is an arithmetic number, because the mean of its divisors is an integer number (409694760).

Almost surely, 2^6218905542 is an apocalyptic number.

6218905542 is an abundant number, since it is smaller than the sum of its proper divisors (6891326778).

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

6218905542 is a wasteful number, since it uses less digits than its factorization.

6218905542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74188.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 6218905542 is about 78860.0376743506. The cubic root of 6218905542 is about 1838.9559236976.

The spelling of 6218905542 in words is "six billion, two hundred eighteen million, nine hundred five thousand, five hundred forty-two".