10678420321 has 4 divisors (see below), whose sum is σ = 10696248000. Its totient is φ = 10660592644.

The previous prime is 10678420229. The next prime is 10678420327. The reversal of 10678420321 is 12302487601.

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: 12302487601 = 59 ⋅208516739.

It is a cyclic number.

It is not a de Polignac number, because 10678420321 - 2¹¹ = 10678418273 is a prime.

It is a super-2 number, since 2×10678420321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10678420327) 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, 8912941 + ... + 8914138.

It is an arithmetic number, because the mean of its divisors is an integer number (2674062000).

Almost surely, 2^10678420321 is an apocalyptic number.

It is an amenable number.

10678420321 is a deficient number, since it is larger than the sum of its proper divisors (17827679).

10678420321 is an equidigital number, since it uses as much as digits as its factorization.

10678420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17827678.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 10678420321 in words is "ten billion, six hundred seventy-eight million, four hundred twenty thousand, three hundred twenty-one".