641625707526103 has 2 divisors, whose sum is σ = 641625707526104. Its totient is φ = 641625707526102.

The previous prime is 641625707526047. The next prime is 641625707526157. The reversal of 641625707526103 is 301625707526146.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641625707526103 - 2¹⁷ = 641625707395031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641625707526173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320812853763051 + 320812853763052.

It is an arithmetic number, because the mean of its divisors is an integer number (320812853763052).

Almost surely, 2^{641625707526103} is an apocalyptic number.

641625707526103 is a deficient number, since it is larger than the sum of its proper divisors (1).

641625707526103 is an equidigital number, since it uses as much as digits as its factorization.

641625707526103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 641625707526103 in words is "six hundred forty-one trillion, six hundred twenty-five billion, seven hundred seven million, five hundred twenty-six thousand, one hundred three".