4392557878601 has 2 divisors, whose sum is σ = 4392557878602. Its totient is φ = 4392557878600.

The previous prime is 4392557878591. The next prime is 4392557878603. The reversal of 4392557878601 is 1068787552934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4358073760000 + 34484118601 = 2087600^2 + 185699^2 .

It is a cyclic number.

It is not a de Polignac number, because 4392557878601 - 2¹⁰ = 4392557877577 is a prime.

Together with 4392557878603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4392557878603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2196278939300 + 2196278939301.

It is an arithmetic number, because the mean of its divisors is an integer number (2196278939301).

It is a 1-persistent number, because it is pandigital, but 2⋅4392557878601 = 8785115757202 is not.

Almost surely, 2^{4392557878601} is an apocalyptic number.

It is an amenable number.

4392557878601 is a deficient number, since it is larger than the sum of its proper divisors (1).

4392557878601 is an equidigital number, since it uses as much as digits as its factorization.

4392557878601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 4392557878601 in words is "four trillion, three hundred ninety-two billion, five hundred fifty-seven million, eight hundred seventy-eight thousand, six hundred one".