1344501493 has 2 divisors, whose sum is σ = 1344501494. Its totient is φ = 1344501492.

The previous prime is 1344501463. The next prime is 1344501607. The reversal of 1344501493 is 3941054431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1198405924 + 146095569 = 34618^2 + 12087^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344501493 - 2²¹ = 1342404341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344501443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672250746 + 672250747.

It is an arithmetic number, because the mean of its divisors is an integer number (672250747).

Almost surely, 2^1344501493 is an apocalyptic number.

It is an amenable number.

1344501493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344501493 is an equidigital number, since it uses as much as digits as its factorization.

1344501493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1344501493 is about 36667.4445932628. Note that the first 3 decimals coincide. The cubic root of 1344501493 is about 1103.7069135197.

The spelling of 1344501493 in words is "one billion, three hundred forty-four million, five hundred one thousand, four hundred ninety-three".