29531659090 has 16 divisors (see below), whose sum is σ = 53389117080. Its totient is φ = 11761079040.

The previous prime is 29531659061. The next prime is 29531659109. The reversal of 29531659090 is 9095613592.

It can be written as a sum of positive squares in 4 ways, for example, as 29528641921 + 3017169 = 171839^2 + 1737^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445671 + ... + 6450250.

Almost surely, 2^29531659090 is an apocalyptic number.

29531659090 is a deficient number, since it is larger than the sum of its proper divisors (23857457990).

29531659090 is a wasteful number, since it uses less digits than its factorization.

29531659090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12896157.

The product of its (nonzero) digits is 656100, while the sum is 49.

The spelling of 29531659090 in words is "twenty-nine billion, five hundred thirty-one million, six hundred fifty-nine thousand, ninety".