29487795479 has 4 divisors (see below), whose sum is σ = 30439014720. Its totient is φ = 28536576240.

The previous prime is 29487795461. The next prime is 29487795551. The reversal of 29487795479 is 97459778492.

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

It is a cyclic number.

It is not a de Polignac number, because 29487795479 - 2¹² = 29487791383 is a prime.

It is a super-2 number, since 2×29487795479² (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 (29487798479) 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 in 3 ways as a sum of consecutive naturals, for example, 475609574 + ... + 475609635.

It is an arithmetic number, because the mean of its divisors is an integer number (7609753680).

Almost surely, 2^29487795479 is an apocalyptic number.

29487795479 is a deficient number, since it is larger than the sum of its proper divisors (951219241).

29487795479 is an equidigital number, since it uses as much as digits as its factorization.

29487795479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951219240.

The product of its digits is 320060160, while the sum is 71.

The spelling of 29487795479 in words is "twenty-nine billion, four hundred eighty-seven million, seven hundred ninety-five thousand, four hundred seventy-nine".