1245330521093 has 2 divisors, whose sum is σ = 1245330521094. Its totient is φ = 1245330521092.

The previous prime is 1245330521081. The next prime is 1245330521131. The reversal of 1245330521093 is 3901250335421.

It is an a-pointer prime, because the next prime (1245330521131) can be obtained adding 1245330521093 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1244567822404 + 762698689 = 1115602^2 + 27617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245330521093 - 2¹⁰ = 1245330520069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245330521033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622665260546 + 622665260547.

It is an arithmetic number, because the mean of its divisors is an integer number (622665260547).

Almost surely, 2^{1245330521093} is an apocalyptic number.

It is an amenable number.

1245330521093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245330521093 is an equidigital number, since it uses as much as digits as its factorization.

1245330521093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 1245330521093 in words is "one trillion, two hundred forty-five billion, three hundred thirty million, five hundred twenty-one thousand, ninety-three".