7650490466257 has 2 divisors, whose sum is σ = 7650490466258. Its totient is φ = 7650490466256.

The previous prime is 7650490466243. The next prime is 7650490466351. The reversal of 7650490466257 is 7526640940567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7552251474496 + 98238991761 = 2748136^2 + 313431^2 .

It is a cyclic number.

It is not a de Polignac number, because 7650490466257 - 2³⁵ = 7616130727889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7650490466195 and 7650490466204.

It is not a weakly prime, because it can be changed into another prime (7650490466207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3825245233128 + 3825245233129.

It is an arithmetic number, because the mean of its divisors is an integer number (3825245233129).

Almost surely, 2^{7650490466257} is an apocalyptic number.

It is an amenable number.

7650490466257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7650490466257 is an equidigital number, since it uses as much as digits as its factorization.

7650490466257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 7650490466257 in words is "seven trillion, six hundred fifty billion, four hundred ninety million, four hundred sixty-six thousand, two hundred fifty-seven".