6418950642 has 48 divisors (see below), whose sum is σ = 14996200128. Its totient is φ = 1972602720.

The previous prime is 6418950641. The next prime is 6418950673. The reversal of 6418950642 is 2460598146.

6418950642 is a `hidden beast` number, since 64 + 1 + 89 + 506 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (6418950641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175917 + ... + 209247.

It is an arithmetic number, because the mean of its divisors is an integer number (312420836).

Almost surely, 2^6418950642 is an apocalyptic number.

6418950642 is an abundant number, since it is smaller than the sum of its proper divisors (8577249486).

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

6418950642 is a wasteful number, since it uses less digits than its factorization.

6418950642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34175 (or 34172 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6418950642 is about 80118.3539646191. The cubic root of 6418950642 is about 1858.4662503645.

The spelling of 6418950642 in words is "six billion, four hundred eighteen million, nine hundred fifty thousand, six hundred forty-two".