9956446042 has 4 divisors (see below), whose sum is σ = 14934669066. Its totient is φ = 4978223020.

The previous prime is 9956446021. The next prime is 9956446061. The reversal of 9956446042 is 2406446599.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9906021841 + 50424201 = 99529^2 + 7101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489111509 + ... + 2489111512.

Almost surely, 2^9956446042 is an apocalyptic number.

9956446042 is a deficient number, since it is larger than the sum of its proper divisors (4978223024).

9956446042 is a wasteful number, since it uses less digits than its factorization.

9956446042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978223023.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 9956446042 is about 99781.9925738106. The cubic root of 9956446042 is about 2151.3023328022.

The spelling of 9956446042 in words is "nine billion, nine hundred fifty-six million, four hundred forty-six thousand, forty-two".