1145933471993 has 2 divisors, whose sum is σ = 1145933471994. Its totient is φ = 1145933471992.

The previous prime is 1145933471927. The next prime is 1145933472007. The reversal of 1145933471993 is 3991743395411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1015564093504 + 130369378489 = 1007752^2 + 361067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145933471993 - 2⁸ = 1145933471737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145933471923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572966735996 + 572966735997.

It is an arithmetic number, because the mean of its divisors is an integer number (572966735997).

Almost surely, 2^{1145933471993} is an apocalyptic number.

It is an amenable number.

1145933471993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145933471993 is an equidigital number, since it uses as much as digits as its factorization.

1145933471993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 59.

The spelling of 1145933471993 in words is "one trillion, one hundred forty-five billion, nine hundred thirty-three million, four hundred seventy-one thousand, nine hundred ninety-three".