4021173974677 has 2 divisors, whose sum is σ = 4021173974678. Its totient is φ = 4021173974676.

The previous prime is 4021173974663. The next prime is 4021173974687. The reversal of 4021173974677 is 7764793711204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3802008615876 + 219165358801 = 1949874^2 + 468151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021173974677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021173974617) 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 as a sum of consecutive naturals, namely, 2010586987338 + 2010586987339.

It is an arithmetic number, because the mean of its divisors is an integer number (2010586987339).

Almost surely, 2^{4021173974677} is an apocalyptic number.

It is an amenable number.

4021173974677 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021173974677 is an equidigital number, since it uses as much as digits as its factorization.

4021173974677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12446784, while the sum is 58.

The spelling of 4021173974677 in words is "four trillion, twenty-one billion, one hundred seventy-three million, nine hundred seventy-four thousand, six hundred seventy-seven".