29531963472 has 160 divisors (see below), whose sum is σ = 88198104960. Its totient is φ = 8429568000.

The previous prime is 29531963441. The next prime is 29531963497. The reversal of 29531963472 is 27436913592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604272 + ... + 651312.

It is an arithmetic number, because the mean of its divisors is an integer number (551238156).

Almost surely, 2^29531963472 is an apocalyptic number.

29531963472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29531963472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44099052480).

29531963472 is an abundant number, since it is smaller than the sum of its proper divisors (58666141488).

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

29531963472 is a wasteful number, since it uses less digits than its factorization.

29531963472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47133 (or 47127 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The spelling of 29531963472 in words is "twenty-nine billion, five hundred thirty-one million, nine hundred sixty-three thousand, four hundred seventy-two".