4177421856953 has 2 divisors, whose sum is σ = 4177421856954. Its totient is φ = 4177421856952.

The previous prime is 4177421856931. The next prime is 4177421856961. The reversal of 4177421856953 is 3596581247714.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2676142635664 + 1501279221289 = 1635892^2 + 1225267^2 .

It is a cyclic number.

It is not a de Polignac number, because 4177421856953 - 2¹⁸ = 4177421594809 is a prime.

It is not a weakly prime, because it can be changed into another prime (4177421846953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2088710928476 + 2088710928477.

It is an arithmetic number, because the mean of its divisors is an integer number (2088710928477).

Almost surely, 2^{4177421856953} is an apocalyptic number.

It is an amenable number.

4177421856953 is a deficient number, since it is larger than the sum of its proper divisors (1).

4177421856953 is an equidigital number, since it uses as much as digits as its factorization.

4177421856953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50803200, while the sum is 62.

The spelling of 4177421856953 in words is "four trillion, one hundred seventy-seven billion, four hundred twenty-one million, eight hundred fifty-six thousand, nine hundred fifty-three".