1146664047497 has 2 divisors, whose sum is σ = 1146664047498. Its totient is φ = 1146664047496.

The previous prime is 1146664047469. The next prime is 1146664047499. The reversal of 1146664047497 is 7947404666411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131353449801 + 15310597696 = 1063651^2 + 123736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146664047497 - 2⁶ = 1146664047433 is a prime.

Together with 1146664047499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1146664047499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573332023748 + 573332023749.

It is an arithmetic number, because the mean of its divisors is an integer number (573332023749).

Almost surely, 2^{1146664047497} is an apocalyptic number.

It is an amenable number.

1146664047497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146664047497 is an equidigital number, since it uses as much as digits as its factorization.

1146664047497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 1146664047497 in words is "one trillion, one hundred forty-six billion, six hundred sixty-four million, forty-seven thousand, four hundred ninety-seven".