420043044342319 has 4 divisors (see below), whose sum is σ = 425959143558480. Its totient is φ = 414126945126160.

The previous prime is 420043044342289. The next prime is 420043044342359. The reversal of 420043044342319 is 913243440340024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420043044342319 - 2²³ = 420043035953711 is a prime.

It is a super-2 number, since 2×420043044342319² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420043044342359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2958049607974 + ... + 2958049608115.

It is an arithmetic number, because the mean of its divisors is an integer number (106489785889620).

Almost surely, 2^{420043044342319} is an apocalyptic number.

420043044342319 is a deficient number, since it is larger than the sum of its proper divisors (5916099216161).

420043044342319 is an equidigital number, since it uses as much as digits as its factorization.

420043044342319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916099216160.

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 420043044342319 in words is "four hundred twenty trillion, forty-three billion, forty-four million, three hundred forty-two thousand, three hundred nineteen".