5216420109 has 4 divisors (see below), whose sum is σ = 6955226816. Its totient is φ = 3477613404.

The previous prime is 5216420081. The next prime is 5216420123. The reversal of 5216420109 is 9010246125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5216420109 - 2¹⁷ = 5216289037 is a prime.

It is a super-2 number, since 2×5216420109² = 54422077507159143762, which 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 (5216420149) 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, 869403349 + ... + 869403354.

It is an arithmetic number, because the mean of its divisors is an integer number (1738806704).

Almost surely, 2^5216420109 is an apocalyptic number.

It is an amenable number.

5216420109 is a deficient number, since it is larger than the sum of its proper divisors (1738806707).

5216420109 is a wasteful number, since it uses less digits than its factorization.

5216420109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738806706.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 5216420109 is about 72224.7887432009. The cubic root of 5216420109 is about 1734.2998510973.

The spelling of 5216420109 in words is "five billion, two hundred sixteen million, four hundred twenty thousand, one hundred nine".