41686801501 has 2 divisors, whose sum is σ = 41686801502. Its totient is φ = 41686801500.

The previous prime is 41686801423. The next prime is 41686801517. The reversal of 41686801501 is 10510868614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34449216025 + 7237585476 = 185605^2 + 85074^2 .

It is a cyclic number.

It is not a de Polignac number, because 41686801501 - 2²⁹ = 41149930589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41686801531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20843400750 + 20843400751.

It is an arithmetic number, because the mean of its divisors is an integer number (20843400751).

Almost surely, 2^41686801501 is an apocalyptic number.

It is an amenable number.

41686801501 is a deficient number, since it is larger than the sum of its proper divisors (1).

41686801501 is an equidigital number, since it uses as much as digits as its factorization.

41686801501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 41686801501 in words is "forty-one billion, six hundred eighty-six million, eight hundred one thousand, five hundred one".