420353551145553 has 8 divisors (see below), whose sum is σ = 566768833005600. Its totient is φ = 277086985024608.

The previous prime is 420353551145453. The next prime is 420353551145569. The reversal of 420353551145553 is 355541155353024.

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

It is not a de Polignac number, because 420353551145553 - 2⁹ = 420353551145041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420353551145496 and 420353551145505.

It is not an unprimeable number, because it can be changed into a prime (420353551145453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787178934463 + ... + 787178934996.

It is an arithmetic number, because the mean of its divisors is an integer number (70846104125700).

Almost surely, 2^{420353551145553} is an apocalyptic number.

It is an amenable number.

420353551145553 is a deficient number, since it is larger than the sum of its proper divisors (146415281860047).

420353551145553 is a wasteful number, since it uses less digits than its factorization.

420353551145553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574357869551.

The product of its (nonzero) digits is 13500000, while the sum is 51.

The spelling of 420353551145553 in words is "four hundred twenty trillion, three hundred fifty-three billion, five hundred fifty-one million, one hundred forty-five thousand, five hundred fifty-three".