420403782119 has 4 divisors (see below), whose sum is σ = 421615320744. Its totient is φ = 419192243496.

The previous prime is 420403782109. The next prime is 420403782133. The reversal of 420403782119 is 911287304024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420403782119 is a prime.

It is a super-2 number, since 2×420403782119² (a number of 24 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 (420403782109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605768792 + ... + 605769485.

It is an arithmetic number, because the mean of its divisors is an integer number (105403830186).

Almost surely, 2^420403782119 is an apocalyptic number.

420403782119 is a deficient number, since it is larger than the sum of its proper divisors (1211538625).

420403782119 is a wasteful number, since it uses less digits than its factorization.

420403782119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211538624.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 420403782119 in words is "four hundred twenty billion, four hundred three million, seven hundred eighty-two thousand, one hundred nineteen".