29659128242 has 4 divisors (see below), whose sum is σ = 44488692366. Its totient is φ = 14829564120.

The previous prime is 29659128241. The next prime is 29659128277. The reversal of 29659128242 is 24282195692.

It is a happy number.

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., 29354311561 + 304816681 = 171331^2 + 17459^2 .

It is not an unprimeable number, because it can be changed into a prime (29659128241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7414782059 + ... + 7414782062.

Almost surely, 2^29659128242 is an apocalyptic number.

29659128242 is a deficient number, since it is larger than the sum of its proper divisors (14829564124).

29659128242 is a wasteful number, since it uses less digits than its factorization.

29659128242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829564123.

The product of its digits is 1244160, while the sum is 50.

The spelling of 29659128242 in words is "twenty-nine billion, six hundred fifty-nine million, one hundred twenty-eight thousand, two hundred forty-two".