4277479901281 has 2 divisors, whose sum is σ = 4277479901282. Its totient is φ = 4277479901280.

The previous prime is 4277479901257. The next prime is 4277479901293. The reversal of 4277479901281 is 1821099747724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3589948720656 + 687531180625 = 1894716^2 + 829175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4277479901281 - 2²³ = 4277471512673 is a prime.

It is a super-2 number, since 2×4277479901281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4277479901581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138739950640 + 2138739950641.

It is an arithmetic number, because the mean of its divisors is an integer number (2138739950641).

Almost surely, 2^{4277479901281} is an apocalyptic number.

It is an amenable number.

4277479901281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4277479901281 is an equidigital number, since it uses as much as digits as its factorization.

4277479901281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 4277479901281 in words is "four trillion, two hundred seventy-seven billion, four hundred seventy-nine million, nine hundred one thousand, two hundred eighty-one".