4478164924997 has 2 divisors, whose sum is σ = 4478164924998. Its totient is φ = 4478164924996.

The previous prime is 4478164924963. The next prime is 4478164925027. The reversal of 4478164924997 is 7994294618744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4271802783556 + 206362141441 = 2066834^2 + 454271^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478164924997 - 2²⁸ = 4477896489541 is a prime.

It is a super-2 number, since 2×4478164924997² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478164924697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239082462498 + 2239082462499.

It is an arithmetic number, because the mean of its divisors is an integer number (2239082462499).

Almost surely, 2^{4478164924997} is an apocalyptic number.

It is an amenable number.

4478164924997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478164924997 is an equidigital number, since it uses as much as digits as its factorization.

4478164924997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 877879296, while the sum is 74.

The spelling of 4478164924997 in words is "four trillion, four hundred seventy-eight billion, one hundred sixty-four million, nine hundred twenty-four thousand, nine hundred ninety-seven".