501275257969 has 2 divisors, whose sum is σ = 501275257970. Its totient is φ = 501275257968.

The previous prime is 501275257961. The next prime is 501275258017. The reversal of 501275257969 is 969752572105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419515290000 + 81759967969 = 647700^2 + 285937^2 .

It is a cyclic number.

It is not a de Polignac number, because 501275257969 - 2³ = 501275257961 is a prime.

It is a super-2 number, since 2×501275257969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (501275257961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250637628984 + 250637628985.

It is an arithmetic number, because the mean of its divisors is an integer number (250637628985).

Almost surely, 2^501275257969 is an apocalyptic number.

It is an amenable number.

501275257969 is a deficient number, since it is larger than the sum of its proper divisors (1).

501275257969 is an equidigital number, since it uses as much as digits as its factorization.

501275257969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907000, while the sum is 58.

The spelling of 501275257969 in words is "five hundred one billion, two hundred seventy-five million, two hundred fifty-seven thousand, nine hundred sixty-nine".