6355623642 has 8 divisors (see below), whose sum is σ = 12711247296. Its totient is φ = 2118541212.

The previous prime is 6355623623. The next prime is 6355623661. The reversal of 6355623642 is 2463265536.

It is an interprime number because it is at equal distance from previous prime (6355623623) and next prime (6355623661).

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

6355623642 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6355623594 and 6355623603.

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, 529635298 + ... + 529635309.

It is an arithmetic number, because the mean of its divisors is an integer number (1588905912).

Almost surely, 2^6355623642 is an apocalyptic number.

6355623642 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.

6355623642 is a wasteful number, since it uses less digits than its factorization.

6355623642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059270612.

The product of its digits is 777600, while the sum is 42.

The square root of 6355623642 is about 79722.1653117877. The cubic root of 6355623642 is about 1852.3343934890.

The spelling of 6355623642 in words is "six billion, three hundred fifty-five million, six hundred twenty-three thousand, six hundred forty-two".