4178804592961 has 2 divisors, whose sum is σ = 4178804592962. Its totient is φ = 4178804592960.

The previous prime is 4178804592953. The next prime is 4178804592967. The reversal of 4178804592961 is 1692954088714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2770177428225 + 1408627164736 = 1664385^2 + 1186856^2 .

It is a cyclic number.

It is not a de Polignac number, because 4178804592961 - 2³ = 4178804592953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4178804592893 and 4178804592902.

It is not a weakly prime, because it can be changed into another prime (4178804592967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2089402296480 + 2089402296481.

It is an arithmetic number, because the mean of its divisors is an integer number (2089402296481).

Almost surely, 2^{4178804592961} is an apocalyptic number.

It is an amenable number.

4178804592961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4178804592961 is an equidigital number, since it uses as much as digits as its factorization.

4178804592961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 4178804592961 in words is "four trillion, one hundred seventy-eight billion, eight hundred four million, five hundred ninety-two thousand, nine hundred sixty-one".