26143562301641 has 2 divisors, whose sum is σ = 26143562301642. Its totient is φ = 26143562301640.

The previous prime is 26143562301631. The next prime is 26143562301749. The reversal of 26143562301641 is 14610326534162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26024332974025 + 119229327616 = 5101405^2 + 345296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26143562301641 is a prime.

It is a super-2 number, since 2×26143562301641² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26143562301592 and 26143562301601.

It is not a weakly prime, because it can be changed into another prime (26143562301631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13071781150820 + 13071781150821.

It is an arithmetic number, because the mean of its divisors is an integer number (13071781150821).

Almost surely, 2^{26143562301641} is an apocalyptic number.

It is an amenable number.

26143562301641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26143562301641 is an equidigital number, since it uses as much as digits as its factorization.

26143562301641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 26143562301641 in words is "twenty-six trillion, one hundred forty-three billion, five hundred sixty-two million, three hundred one thousand, six hundred forty-one".