420318719911 has 16 divisors (see below), whose sum is σ = 459391844736. Its totient is φ = 382948425216.

The previous prime is 420318719897. The next prime is 420318719921. The reversal of 420318719911 is 119917813024.

It is a cyclic number.

It is not a de Polignac number, because 420318719911 - 2⁵ = 420318719879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420318719921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572111 + ... + 1819936.

It is an arithmetic number, because the mean of its divisors is an integer number (28711990296).

Almost surely, 2^420318719911 is an apocalyptic number.

420318719911 is a deficient number, since it is larger than the sum of its proper divisors (39073124825).

420318719911 is a wasteful number, since it uses less digits than its factorization.

420318719911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392298.

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 420318719911 in words is "four hundred twenty billion, three hundred eighteen million, seven hundred nineteen thousand, nine hundred eleven".