109317286457 has 2 divisors, whose sum is σ = 109317286458. Its totient is φ = 109317286456.

The previous prime is 109317286453. The next prime is 109317286531. The reversal of 109317286457 is 754682713901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61105862416 + 48211424041 = 247196^2 + 219571^2 .

It is a cyclic number.

It is not a de Polignac number, because 109317286457 - 2² = 109317286453 is a prime.

It is a super-2 number, since 2×109317286457² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109317286399 and 109317286408.

It is not a weakly prime, because it can be changed into another prime (109317286451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54658643228 + 54658643229.

It is an arithmetic number, because the mean of its divisors is an integer number (54658643229).

It is a 1-persistent number, because it is pandigital, but 2⋅109317286457 = 218634572914 is not.

Almost surely, 2^109317286457 is an apocalyptic number.

It is an amenable number.

109317286457 is a deficient number, since it is larger than the sum of its proper divisors (1).

109317286457 is an equidigital number, since it uses as much as digits as its factorization.

109317286457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 109317286457 in words is "one hundred nine billion, three hundred seventeen million, two hundred eighty-six thousand, four hundred fifty-seven".