1258454093243 has 2 divisors, whose sum is σ = 1258454093244. Its totient is φ = 1258454093242.

The previous prime is 1258454093233. The next prime is 1258454093249. The reversal of 1258454093243 is 3423904548521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1258454093243 - 2⁴ = 1258454093227 is a prime.

It is a super-2 number, since 2×1258454093243² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1258454093191 and 1258454093200.

It is not a weakly prime, because it can be changed into another prime (1258454093249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629227046621 + 629227046622.

It is an arithmetic number, because the mean of its divisors is an integer number (629227046622).

Almost surely, 2^{1258454093243} is an apocalyptic number.

1258454093243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258454093243 is an equidigital number, since it uses as much as digits as its factorization.

1258454093243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 1258454093243 in words is "one trillion, two hundred fifty-eight billion, four hundred fifty-four million, ninety-three thousand, two hundred forty-three".