501226640417 has 2 divisors, whose sum is σ = 501226640418. Its totient is φ = 501226640416.

The previous prime is 501226640413. The next prime is 501226640461. The reversal of 501226640417 is 714046622105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296448669841 + 204777970576 = 544471^2 + 452524^2 .

It is a cyclic number.

It is not a de Polignac number, because 501226640417 - 2² = 501226640413 is a prime.

It is not a weakly prime, because it can be changed into another prime (501226640413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250613320208 + 250613320209.

It is an arithmetic number, because the mean of its divisors is an integer number (250613320209).

Almost surely, 2^501226640417 is an apocalyptic number.

It is an amenable number.

501226640417 is a deficient number, since it is larger than the sum of its proper divisors (1).

501226640417 is an equidigital number, since it uses as much as digits as its factorization.

501226640417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 501226640417 in words is "five hundred one billion, two hundred twenty-six million, six hundred forty thousand, four hundred seventeen".