421364001360506 has 8 divisors (see below), whose sum is σ = 632786970392724. Its totient is φ = 210435011229600.

The previous prime is 421364001360487. The next prime is 421364001360509. The reversal of 421364001360506 is 605063100463124.

It can be written as a sum of positive squares in 2 ways, for example, as 405462321849025 + 15901679511481 = 20136095^2 + 3987691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (421364001360509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123494723195 + ... + 123494726606.

Almost surely, 2^{421364001360506} is an apocalyptic number.

421364001360506 is a deficient number, since it is larger than the sum of its proper divisors (211422969032218).

421364001360506 is a wasteful number, since it uses less digits than its factorization.

421364001360506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246989450656.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 421364001360506 in words is "four hundred twenty-one trillion, three hundred sixty-four billion, one million, three hundred sixty thousand, five hundred six".