42726068566253 has 2 divisors, whose sum is σ = 42726068566254. Its totient is φ = 42726068566252.

The previous prime is 42726068566241. The next prime is 42726068566267. The reversal of 42726068566253 is 35266586062724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42470272354084 + 255796212169 = 6516922^2 + 505763^2 .

It is a cyclic number.

It is not a de Polignac number, because 42726068566253 - 2¹⁴ = 42726068549869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42726068556253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363034283126 + 21363034283127.

It is an arithmetic number, because the mean of its divisors is an integer number (21363034283127).

Almost surely, 2^{42726068566253} is an apocalyptic number.

It is an amenable number.

42726068566253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42726068566253 is an equidigital number, since it uses as much as digits as its factorization.

42726068566253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174182400, while the sum is 62.

The spelling of 42726068566253 in words is "forty-two trillion, seven hundred twenty-six billion, sixty-eight million, five hundred sixty-six thousand, two hundred fifty-three".