420597765395 has 16 divisors (see below), whose sum is σ = 526680781632. Its totient is φ = 321836972160.

The previous prime is 420597765377. The next prime is 420597765449. The reversal of 420597765395 is 593567795024.

It is not a de Polignac number, because 420597765395 - 2¹⁶ = 420597699859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4375469 + ... + 4470561.

It is an arithmetic number, because the mean of its divisors is an integer number (32917548852).

Almost surely, 2^420597765395 is an apocalyptic number.

420597765395 is a deficient number, since it is larger than the sum of its proper divisors (106083016237).

420597765395 is a wasteful number, since it uses less digits than its factorization.

420597765395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133582.

The product of its (nonzero) digits is 71442000, while the sum is 62.

The spelling of 420597765395 in words is "four hundred twenty billion, five hundred ninety-seven million, seven hundred sixty-five thousand, three hundred ninety-five".