29688465901 has 4 divisors (see below), whose sum is σ = 29887717500. Its totient is φ = 29489214304.

The previous prime is 29688465881. The next prime is 29688465953. The reversal of 29688465901 is 10956488692.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1237210276 + 28451255625 = 35174^2 + 168675^2 .

It is a cyclic number.

It is not a de Polignac number, because 29688465901 - 2⁷ = 29688465773 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29688465971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99625576 + ... + 99625873.

It is an arithmetic number, because the mean of its divisors is an integer number (7471929375).

Almost surely, 2^29688465901 is an apocalyptic number.

It is an amenable number.

29688465901 is a deficient number, since it is larger than the sum of its proper divisors (199251599).

29688465901 is a wasteful number, since it uses less digits than its factorization.

29688465901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199251598.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 29688465901 in words is "twenty-nine billion, six hundred eighty-eight million, four hundred sixty-five thousand, nine hundred one".