29130275669 has 8 divisors (see below), whose sum is σ = 32075479008. Its totient is φ = 26234571760.

The previous prime is 29130275617. The next prime is 29130275687. The reversal of 29130275669 is 96657203192.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29130275669 is a prime.

It is a super-2 number, since 2×29130275669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130265669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12373622 + ... + 12375975.

It is an arithmetic number, because the mean of its divisors is an integer number (4009434876).

Almost surely, 2^29130275669 is an apocalyptic number.

It is an amenable number.

29130275669 is a deficient number, since it is larger than the sum of its proper divisors (2945203339).

29130275669 is a wasteful number, since it uses less digits than its factorization.

29130275669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24749715.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 29130275669 in words is "twenty-nine billion, one hundred thirty million, two hundred seventy-five thousand, six hundred sixty-nine".