516306453421 has 8 divisors (see below), whose sum is σ = 563528037600. Its totient is φ = 469132308240.

The previous prime is 516306453419. The next prime is 516306453437. The reversal of 516306453421 is 124354603615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516306453421 - 2¹ = 516306453419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516306453521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11836986 + ... + 11880523.

It is an arithmetic number, because the mean of its divisors is an integer number (70441004700).

Almost surely, 2^516306453421 is an apocalyptic number.

It is an amenable number.

516306453421 is a deficient number, since it is larger than the sum of its proper divisors (47221584179).

516306453421 is a wasteful number, since it uses less digits than its factorization.

516306453421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23719499.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 516306453421 in words is "five hundred sixteen billion, three hundred six million, four hundred fifty-three thousand, four hundred twenty-one".