1199466038657 has 2 divisors, whose sum is σ = 1199466038658. Its totient is φ = 1199466038656.

The previous prime is 1199466038653. The next prime is 1199466038737. The reversal of 1199466038657 is 7568306649911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085678557681 + 113787480976 = 1041959^2 + 337324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1199466038657 - 2² = 1199466038653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1199466038593 and 1199466038602.

It is not a weakly prime, because it can be changed into another prime (1199466038653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599733019328 + 599733019329.

It is an arithmetic number, because the mean of its divisors is an integer number (599733019329).

Almost surely, 2^{1199466038657} is an apocalyptic number.

It is an amenable number.

1199466038657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199466038657 is an equidigital number, since it uses as much as digits as its factorization.

1199466038657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 1199466038657 in words is "one trillion, one hundred ninety-nine billion, four hundred sixty-six million, thirty-eight thousand, six hundred fifty-seven".