946224161422649 has 4 divisors (see below), whose sum is σ = 946567867986036. Its totient is φ = 945880454859264.

The previous prime is 946224161422613. The next prime is 946224161422703.

946224161422649 is nontrivially palindromic in base 10.

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 843012642702400 + 103211518720249 = 29034680^2 + 10159307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946224161422649 is a prime.

It is a super-2 number, since 2×946224161422649² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946224161422591 and 946224161422600.

It is not an unprimeable number, because it can be changed into a prime (946224161422849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171853277564 + ... + 171853283069.

It is an arithmetic number, because the mean of its divisors is an integer number (236641966996509).

Almost surely, 2^{946224161422649} is an apocalyptic number.

It is an amenable number.

946224161422649 is a deficient number, since it is larger than the sum of its proper divisors (343706563387).

946224161422649 is a wasteful number, since it uses less digits than its factorization.

946224161422649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343706563386.

The product of its digits is 71663616, while the sum is 62.

The spelling of 946224161422649 in words is "nine hundred forty-six trillion, two hundred twenty-four billion, one hundred sixty-one million, four hundred twenty-two thousand, six hundred forty-nine".