29730645505 has 8 divisors (see below), whose sum is σ = 38920117824. Its totient is φ = 21622287600.

The previous prime is 29730645499. The next prime is 29730645547. The reversal of 29730645505 is 50554603792.

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

It is not a de Polignac number, because 29730645505 - 2⁵ = 29730645473 is a prime.

It is a super-2 number, since 2×29730645505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270278541 + ... + 270278650.

It is an arithmetic number, because the mean of its divisors is an integer number (4865014728).

Almost surely, 2^29730645505 is an apocalyptic number.

It is an amenable number.

29730645505 is a deficient number, since it is larger than the sum of its proper divisors (9189472319).

29730645505 is a wasteful number, since it uses less digits than its factorization.

29730645505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540557207.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 29730645505 in words is "twenty-nine billion, seven hundred thirty million, six hundred forty-five thousand, five hundred five".