1346252520989 has 2 divisors, whose sum is σ = 1346252520990. Its totient is φ = 1346252520988.

The previous prime is 1346252520961. The next prime is 1346252521051. The reversal of 1346252520989 is 9890252526431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890739564100 + 455512956889 = 943790^2 + 674917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346252520989 - 2²⁰ = 1346251472413 is a prime.

It is a super-3 number, since 3×1346252520989³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346252520689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673126260494 + 673126260495.

It is an arithmetic number, because the mean of its divisors is an integer number (673126260495).

Almost surely, 2^{1346252520989} is an apocalyptic number.

It is an amenable number.

1346252520989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346252520989 is an equidigital number, since it uses as much as digits as its factorization.

1346252520989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 1346252520989 in words is "one trillion, three hundred forty-six billion, two hundred fifty-two million, five hundred twenty thousand, nine hundred eighty-nine".