8642951442 has 12 divisors (see below), whose sum is σ = 18726394830. Its totient is φ = 2880983808.

The previous prime is 8642951437. The next prime is 8642951459. The reversal of 8642951442 is 2441592468.

It is a happy number.

8642951442 is a `hidden beast` number, since 86 + 42 + 95 + 1 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5887646361 + 2755305081 = 76731^2 + 52491^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240081967 + ... + 240082002.

Almost surely, 2^8642951442 is an apocalyptic number.

8642951442 is an abundant number, since it is smaller than the sum of its proper divisors (10083443388).

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

8642951442 is a wasteful number, since it uses less digits than its factorization.

8642951442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480163977 (or 480163974 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 8642951442 is about 92967.4751835286. The cubic root of 8642951442 is about 2052.2047619500.

The spelling of 8642951442 in words is "eight billion, six hundred forty-two million, nine hundred fifty-one thousand, four hundred forty-two".