29260961643 has 8 divisors (see below), whose sum is σ = 39549062608. Its totient is φ = 19240084224.

The previous prime is 29260961641. The next prime is 29260961651. The reversal of 29260961643 is 34616906292.

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

It is not a de Polignac number, because 29260961643 - 2¹ = 29260961641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29260961592 and 29260961601.

It is not an unprimeable number, because it can be changed into a prime (29260961641) 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 7 ways as a sum of consecutive naturals, for example, 66805630 + ... + 66806067.

It is an arithmetic number, because the mean of its divisors is an integer number (4943632826).

Almost surely, 2^29260961643 is an apocalyptic number.

29260961643 is a deficient number, since it is larger than the sum of its proper divisors (10288100965).

29260961643 is a wasteful number, since it uses less digits than its factorization.

29260961643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133611773.

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 29260961643 in words is "twenty-nine billion, two hundred sixty million, nine hundred sixty-one thousand, six hundred forty-three".