9929437589042 has 4 divisors (see below), whose sum is σ = 14894156383566. Its totient is φ = 4964718794520.

The previous prime is 9929437589041. The next prime is 9929437589047. The reversal of 9929437589042 is 2409857349299.

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., 9884239254241 + 45198334801 = 3143921^2 + 212599^2 .

It is not an unprimeable number, because it can be changed into a prime (9929437589041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2482359397259 + ... + 2482359397262.

Almost surely, 2^{9929437589042} is an apocalyptic number.

9929437589042 is a deficient number, since it is larger than the sum of its proper divisors (4964718794524).

9929437589042 is a wasteful number, since it uses less digits than its factorization.

9929437589042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964718794523.

The product of its (nonzero) digits is 352719360, while the sum is 71.

The spelling of 9929437589042 in words is "nine trillion, nine hundred twenty-nine billion, four hundred thirty-seven million, five hundred eighty-nine thousand, forty-two".