29161248479 has 8 divisors (see below), whose sum is σ = 31816036560. Its totient is φ = 26507088000.

The previous prime is 29161248449. The next prime is 29161248481. The reversal of 29161248479 is 97484216192.

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-29161248479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29161248479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29161248449) 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, 56972 + ... + 248129.

It is an arithmetic number, because the mean of its divisors is an integer number (3977004570).

Almost surely, 2^29161248479 is an apocalyptic number.

29161248479 is a deficient number, since it is larger than the sum of its proper divisors (2654788081).

29161248479 is a wasteful number, since it uses less digits than its factorization.

29161248479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313801.

The product of its digits is 1741824, while the sum is 53.

The spelling of 29161248479 in words is "twenty-nine billion, one hundred sixty-one million, two hundred forty-eight thousand, four hundred seventy-nine".