1245430540433 has 2 divisors, whose sum is σ = 1245430540434. Its totient is φ = 1245430540432.

The previous prime is 1245430540423. The next prime is 1245430540451. The reversal of 1245430540433 is 3340450345421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1043356016704 + 202074523729 = 1021448^2 + 449527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245430540433 - 2⁶ = 1245430540369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245430540423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622715270216 + 622715270217.

It is an arithmetic number, because the mean of its divisors is an integer number (622715270217).

Almost surely, 2^{1245430540433} is an apocalyptic number.

It is an amenable number.

1245430540433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245430540433 is an equidigital number, since it uses as much as digits as its factorization.

1245430540433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 1245430540433 its reverse (3340450345421), we get a palindrome (4585880885854).

The spelling of 1245430540433 in words is "one trillion, two hundred forty-five billion, four hundred thirty million, five hundred forty thousand, four hundred thirty-three".