420065483971 has 24 divisors (see below), whose sum is σ = 491330880000. Its totient is φ = 358080673104.

The previous prime is 420065483951. The next prime is 420065484023. The reversal of 420065483971 is 179384560024.

It is a happy number.

It is not a de Polignac number, because 420065483971 - 2⁷ = 420065483843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420065483921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23968950 + ... + 23986468.

It is an arithmetic number, because the mean of its divisors is an integer number (20472120000).

It is a 1-persistent number, because it is pandigital, but 2⋅420065483971 = 840130967942 is not.

Almost surely, 2^420065483971 is an apocalyptic number.

420065483971 is a deficient number, since it is larger than the sum of its proper divisors (71265396029).

420065483971 is a wasteful number, since it uses less digits than its factorization.

420065483971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20191 (or 20184 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 420065483971 in words is "four hundred twenty billion, sixty-five million, four hundred eighty-three thousand, nine hundred seventy-one".