229939685492642 has 8 divisors (see below), whose sum is σ = 352248028839936. Its totient is φ = 112523675879332.

The previous prime is 229939685492591. The next prime is 229939685492747. The reversal of 229939685492642 is 246294586939922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×229939685492642² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223083433378 + ... + 1223083433565.

It is an arithmetic number, because the mean of its divisors is an integer number (44031003604992).

Almost surely, 2^{229939685492642} is an apocalyptic number.

229939685492642 is a deficient number, since it is larger than the sum of its proper divisors (122308343347294).

229939685492642 is a wasteful number, since it uses less digits than its factorization.

229939685492642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446166866992.

The product of its digits is 7255941120, while the sum is 80.

The spelling of 229939685492642 in words is "two hundred twenty-nine trillion, nine hundred thirty-nine billion, six hundred eighty-five million, four hundred ninety-two thousand, six hundred forty-two".