41257700641 has 2 divisors, whose sum is σ = 41257700642. Its totient is φ = 41257700640.

The previous prime is 41257700629. The next prime is 41257700647. The reversal of 41257700641 is 14600775214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39866112225 + 1391588416 = 199665^2 + 37304^2 .

It is a cyclic number.

It is not a de Polignac number, because 41257700641 - 2¹³ = 41257692449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41257700641.

It is not a weakly prime, because it can be changed into another prime (41257700647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20628850320 + 20628850321.

It is an arithmetic number, because the mean of its divisors is an integer number (20628850321).

Almost surely, 2^41257700641 is an apocalyptic number.

It is an amenable number.

41257700641 is a deficient number, since it is larger than the sum of its proper divisors (1).

41257700641 is an equidigital number, since it uses as much as digits as its factorization.

41257700641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 41257700641 in words is "forty-one billion, two hundred fifty-seven million, seven hundred thousand, six hundred forty-one".