501275601427 has 2 divisors, whose sum is σ = 501275601428. Its totient is φ = 501275601426.

The previous prime is 501275601401. The next prime is 501275601433. The reversal of 501275601427 is 724106572105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501275601427 - 2¹¹ = 501275599379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501275601427.

It is not a weakly prime, because it can be changed into another prime (501275601527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250637800713 + 250637800714.

It is an arithmetic number, because the mean of its divisors is an integer number (250637800714).

Almost surely, 2^501275601427 is an apocalyptic number.

501275601427 is a deficient number, since it is larger than the sum of its proper divisors (1).

501275601427 is an equidigital number, since it uses as much as digits as its factorization.

501275601427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 501275601427 in words is "five hundred one billion, two hundred seventy-five million, six hundred one thousand, four hundred twenty-seven".