10316566421 has 4 divisors (see below), whose sum is σ = 11790361632. Its totient is φ = 8842771212.

The previous prime is 10316566387. The next prime is 10316566483. The reversal of 10316566421 is 12466561301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12466561301 = 13219 ⋅943079.

It is a cyclic number.

It is not a de Polignac number, because 10316566421 - 2¹⁴ = 10316550037 is a prime.

It is a super-3 number, since 3×10316566421³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10316566721) 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 3 ways as a sum of consecutive naturals, for example, 736897595 + ... + 736897608.

It is an arithmetic number, because the mean of its divisors is an integer number (2947590408).

Almost surely, 2^10316566421 is an apocalyptic number.

It is an amenable number.

10316566421 is a deficient number, since it is larger than the sum of its proper divisors (1473795211).

10316566421 is an equidigital number, since it uses as much as digits as its factorization.

10316566421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473795210.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 10316566421 in words is "ten billion, three hundred sixteen million, five hundred sixty-six thousand, four hundred twenty-one".