26143071853 has 2 divisors, whose sum is σ = 26143071854. Its totient is φ = 26143071852.

The previous prime is 26143071839. The next prime is 26143071959. The reversal of 26143071853 is 35817034162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18840856644 + 7302215209 = 137262^2 + 85453^2 .

It is a cyclic number.

It is not a de Polignac number, because 26143071853 - 2⁵ = 26143071821 is a prime.

It is a super-2 number, since 2×26143071853² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26143071803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13071535926 + 13071535927.

It is an arithmetic number, because the mean of its divisors is an integer number (13071535927).

Almost surely, 2^26143071853 is an apocalyptic number.

It is an amenable number.

26143071853 is a deficient number, since it is larger than the sum of its proper divisors (1).

26143071853 is an equidigital number, since it uses as much as digits as its factorization.

26143071853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 26143071853 in words is "twenty-six billion, one hundred forty-three million, seventy-one thousand, eight hundred fifty-three".