29071431492 has 12 divisors (see below), whose sum is σ = 67833340176. Its totient is φ = 9690477160.

The previous prime is 29071431491. The next prime is 29071431497. The reversal of 29071431492 is 29413417092.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (29071431491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1211309634 + ... + 1211309657.

It is an arithmetic number, because the mean of its divisors is an integer number (5652778348).

Almost surely, 2^29071431492 is an apocalyptic number.

It is an amenable number.

29071431492 is an abundant number, since it is smaller than the sum of its proper divisors (38761908684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29071431492 is a wasteful number, since it uses less digits than its factorization.

29071431492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422619298 (or 2422619296 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 29071431492 in words is "twenty-nine billion, seventy-one million, four hundred thirty-one thousand, four hundred ninety-two".