10220246443657 has 2 divisors, whose sum is σ = 10220246443658. Its totient is φ = 10220246443656.

The previous prime is 10220246443633. The next prime is 10220246443721. The reversal of 10220246443657 is 75634464202201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8448416571456 + 1771829872201 = 2906616^2 + 1331101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220246443657 is a prime.

It is not a weakly prime, because it can be changed into another prime (10220246449657) 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, 5110123221828 + 5110123221829.

It is an arithmetic number, because the mean of its divisors is an integer number (5110123221829).

Almost surely, 2^{10220246443657} is an apocalyptic number.

It is an amenable number.

10220246443657 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220246443657 is an equidigital number, since it uses as much as digits as its factorization.

10220246443657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 10220246443657 in words is "ten trillion, two hundred twenty billion, two hundred forty-six million, four hundred forty-three thousand, six hundred fifty-seven".