955866638242 has 16 divisors (see below), whose sum is σ = 1536575280192. Its totient is φ = 444798105840.

The previous prime is 955866638203. The next prime is 955866638267. The reversal of 955866638242 is 242836668559.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280805184 + ... + 280808587.

It is an arithmetic number, because the mean of its divisors is an integer number (96035955012).

Almost surely, 2^955866638242 is an apocalyptic number.

955866638242 is a deficient number, since it is larger than the sum of its proper divisors (580708641950).

955866638242 is a wasteful number, since it uses less digits than its factorization.

955866638242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561613833.

The product of its digits is 149299200, while the sum is 64.

The spelling of 955866638242 in words is "nine hundred fifty-five billion, eight hundred sixty-six million, six hundred thirty-eight thousand, two hundred forty-two".