1146664047469 has 2 divisors, whose sum is σ = 1146664047470. Its totient is φ = 1146664047468.

The previous prime is 1146664047467. The next prime is 1146664047497. The reversal of 1146664047469 is 9647404666411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069414515625 + 77249531844 = 1034125^2 + 277938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146664047469 - 2¹ = 1146664047467 is a prime.

It is a super-2 number, since 2×1146664047469² (a number of 25 digits) contains 22 as substring.

Together with 1146664047467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146664047467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573332023734 + 573332023735.

It is an arithmetic number, because the mean of its divisors is an integer number (573332023735).

Almost surely, 2^{1146664047469} is an apocalyptic number.

It is an amenable number.

1146664047469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146664047469 is an equidigital number, since it uses as much as digits as its factorization.

1146664047469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 1146664047469 in words is "one trillion, one hundred forty-six billion, six hundred sixty-four million, forty-seven thousand, four hundred sixty-nine".