29845597548 has 96 divisors (see below), whose sum is σ = 78492750336. Its totient is φ = 8757568512.

The previous prime is 29845597547. The next prime is 29845597553. The reversal of 29845597548 is 84579554892.

It is a super-2 number, since 2×29845597548² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29845597547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1196815 + ... + 1221497.

It is an arithmetic number, because the mean of its divisors is an integer number (817632816).

Almost surely, 2^29845597548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29845597548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39246375168).

29845597548 is an abundant number, since it is smaller than the sum of its proper divisors (48647152788).

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

29845597548 is a wasteful number, since it uses less digits than its factorization.

29845597548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063 (or 25061 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 66.

The spelling of 29845597548 in words is "twenty-nine billion, eight hundred forty-five million, five hundred ninety-seven thousand, five hundred forty-eight".