6418953642 has 8 divisors (see below), whose sum is σ = 12837907296. Its totient is φ = 2139651212.

The previous prime is 6418953599. The next prime is 6418953659. The reversal of 6418953642 is 2463598146.

It is a sphenic number, since it is the product of 3 distinct primes.

6418953642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6418953591 and 6418953600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534912798 + ... + 534912809.

It is an arithmetic number, because the mean of its divisors is an integer number (1604738412).

Almost surely, 2^6418953642 is an apocalyptic number.

6418953642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6418953642 is a wasteful number, since it uses less digits than its factorization.

6418953642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069825612.

The product of its digits is 1244160, while the sum is 48.

The square root of 6418953642 is about 80118.3726869187. The cubic root of 6418953642 is about 1858.4665398925.

The spelling of 6418953642 in words is "six billion, four hundred eighteen million, nine hundred fifty-three thousand, six hundred forty-two".