3436501856921 has 8 divisors (see below), whose sum is σ = 3927471537024. Its totient is φ = 2945542387680.

The previous prime is 3436501856917. The next prime is 3436501856933. The reversal of 3436501856921 is 1296581056343.

3436501856921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3436501856921 - 2² = 3436501856917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3436501850921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817405 + ... + 3189978.

It is an arithmetic number, because the mean of its divisors is an integer number (490933942128).

Almost surely, 2^{3436501856921} is an apocalyptic number.

It is an amenable number.

3436501856921 is a deficient number, since it is larger than the sum of its proper divisors (490969680103).

3436501856921 is an equidigital number, since it uses as much as digits as its factorization.

3436501856921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105431.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 3436501856921 in words is "three trillion, four hundred thirty-six billion, five hundred one million, eight hundred fifty-six thousand, nine hundred twenty-one".