8420354113 has 4 divisors (see below), whose sum is σ = 8450320068. Its totient is φ = 8390388160.

The previous prime is 8420354101. The next prime is 8420354149. The reversal of 8420354113 is 3114530248.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4641424384 + 3778929729 = 68128^2 + 61473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8420354113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8420354713) 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, 14982556 + ... + 14983117.

It is an arithmetic number, because the mean of its divisors is an integer number (2112580017).

Almost surely, 2^8420354113 is an apocalyptic number.

It is an amenable number.

8420354113 is a deficient number, since it is larger than the sum of its proper divisors (29965955).

8420354113 is a wasteful number, since it uses less digits than its factorization.

8420354113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29965954.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 8420354113 is about 91762.4875044263. The cubic root of 8420354113 is about 2034.4332818141.

The spelling of 8420354113 in words is "eight billion, four hundred twenty million, three hundred fifty-four thousand, one hundred thirteen".