501001096009 has 2 divisors, whose sum is σ = 501001096010. Its totient is φ = 501001096008.

The previous prime is 501001095983. The next prime is 501001096039. The reversal of 501001096009 is 900690100105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289610804025 + 211390291984 = 538155^2 + 459772^2 .

It is a cyclic number.

It is not a de Polignac number, because 501001096009 - 2⁵ = 501001095977 is a prime.

It is not a weakly prime, because it can be changed into another prime (501001096039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500548004 + 250500548005.

It is an arithmetic number, because the mean of its divisors is an integer number (250500548005).

Almost surely, 2^501001096009 is an apocalyptic number.

It is an amenable number.

501001096009 is a deficient number, since it is larger than the sum of its proper divisors (1).

501001096009 is an equidigital number, since it uses as much as digits as its factorization.

501001096009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

The spelling of 501001096009 in words is "five hundred one billion, one million, ninety-six thousand, nine".