29856000001 has 4 divisors (see below), whose sum is σ = 29857692592. Its totient is φ = 29854307412.

The previous prime is 29855999977. The next prime is 29856000067. The reversal of 29856000001 is 10000065892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29856000001 - 2²¹ = 29853902849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29856000071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819555 + ... + 855208.

It is an arithmetic number, because the mean of its divisors is an integer number (7464423148).

Almost surely, 2^29856000001 is an apocalyptic number.

It is an amenable number.

29856000001 is a deficient number, since it is larger than the sum of its proper divisors (1692591).

29856000001 is a wasteful number, since it uses less digits than its factorization.

29856000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692590.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 29856000001 its reverse (10000065892), we get a palindrome (39856065893).

The spelling of 29856000001 in words is "twenty-nine billion, eight hundred fifty-six million, one", and thus it is an aban number.