26535453641 has 2 divisors, whose sum is σ = 26535453642. Its totient is φ = 26535453640.

The previous prime is 26535453557. The next prime is 26535453653. The reversal of 26535453641 is 14635453562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18549350416 + 7986103225 = 136196^2 + 89365^2 .

It is a cyclic number.

It is not a de Polignac number, because 26535453641 - 2¹⁸ = 26535191497 is a prime.

It is a super-3 number, since 3×26535453641³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26535453592 and 26535453601.

It is not a weakly prime, because it can be changed into another prime (26535456641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13267726820 + 13267726821.

It is an arithmetic number, because the mean of its divisors is an integer number (13267726821).

Almost surely, 2^26535453641 is an apocalyptic number.

It is an amenable number.

26535453641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26535453641 is an equidigital number, since it uses as much as digits as its factorization.

26535453641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 44.

The spelling of 26535453641 in words is "twenty-six billion, five hundred thirty-five million, four hundred fifty-three thousand, six hundred forty-one".