29931234485 has 8 divisors (see below), whose sum is σ = 35922167736. Its totient is φ = 23941863360.

The previous prime is 29931234409. The next prime is 29931234497. The reversal of 29931234485 is 58443213992.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7581881476 + 22349353009 = 87074^2 + 149497^2 .

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

It is not a de Polignac number, because 29931234485 - 2²² = 29927040181 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 347954 + ... + 425363.

It is an arithmetic number, because the mean of its divisors is an integer number (4490270967).

Almost surely, 2^29931234485 is an apocalyptic number.

It is an amenable number.

29931234485 is a deficient number, since it is larger than the sum of its proper divisors (5990933251).

29931234485 is an equidigital number, since it uses as much as digits as its factorization.

29931234485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781063.

The product of its digits is 1866240, while the sum is 50.

The spelling of 29931234485 in words is "twenty-nine billion, nine hundred thirty-one million, two hundred thirty-four thousand, four hundred eighty-five".