421420154224505 has 8 divisors (see below), whose sum is σ = 505732920000000. Its totient is φ = 337116966759216.

The previous prime is 421420154224471. The next prime is 421420154224507. The reversal of 421420154224505 is 505422451024124.

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 421420154224505 - 2⁶ = 421420154224441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421420154224507) 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, 2394480755 + ... + 2394656744.

It is an arithmetic number, because the mean of its divisors is an integer number (63216615000000).

Almost surely, 2^{421420154224505} is an apocalyptic number.

It is an amenable number.

421420154224505 is a deficient number, since it is larger than the sum of its proper divisors (84312765775495).

421420154224505 is a wasteful number, since it uses less digits than its factorization.

421420154224505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789155103.

The product of its (nonzero) digits is 512000, while the sum is 41.

The spelling of 421420154224505 in words is "four hundred twenty-one trillion, four hundred twenty billion, one hundred fifty-four million, two hundred twenty-four thousand, five hundred five".