420116902819 has 4 divisors (see below), whose sum is σ = 431471413744. Its totient is φ = 408762391896.

The previous prime is 420116902769. The next prime is 420116902897. The reversal of 420116902819 is 918209611024.

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 420116902819 - 2¹¹ = 420116900771 is a prime.

It is a super-2 number, since 2×420116902819² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420116903819) 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, 5677255407 + ... + 5677255480.

It is an arithmetic number, because the mean of its divisors is an integer number (107867853436).

Almost surely, 2^420116902819 is an apocalyptic number.

420116902819 is a deficient number, since it is larger than the sum of its proper divisors (11354510925).

420116902819 is a wasteful number, since it uses less digits than its factorization.

420116902819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11354510924.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 420116902819 in words is "four hundred twenty billion, one hundred sixteen million, nine hundred two thousand, eight hundred nineteen".