2421685275127 has 2 divisors, whose sum is σ = 2421685275128. Its totient is φ = 2421685275126.

The previous prime is 2421685275091. The next prime is 2421685275143. The reversal of 2421685275127 is 7215725861242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421685275127 - 2¹⁵ = 2421685242359 is a prime.

It is a super-2 number, since 2×2421685275127² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421685275157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210842637563 + 1210842637564.

It is an arithmetic number, because the mean of its divisors is an integer number (1210842637564).

Almost surely, 2^{2421685275127} is an apocalyptic number.

2421685275127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421685275127 is an equidigital number, since it uses as much as digits as its factorization.

2421685275127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3763200, while the sum is 52.

The spelling of 2421685275127 in words is "two trillion, four hundred twenty-one billion, six hundred eighty-five million, two hundred seventy-five thousand, one hundred twenty-seven".