1344360491 has 2 divisors, whose sum is σ = 1344360492. Its totient is φ = 1344360490.

The previous prime is 1344360487. The next prime is 1344360509. The reversal of 1344360491 is 1940634431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344360491 - 2² = 1344360487 is a prime.

It is a super-2 number, since 2×1344360491² = 3614610259523522162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344360461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672180245 + 672180246.

It is an arithmetic number, because the mean of its divisors is an integer number (672180246).

Almost surely, 2^1344360491 is an apocalyptic number.

1344360491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344360491 is an equidigital number, since it uses as much as digits as its factorization.

1344360491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1344360491 is about 36665.5218290972. The cubic root of 1344360491 is about 1103.6683291265.

The spelling of 1344360491 in words is "one billion, three hundred forty-four million, three hundred sixty thousand, four hundred ninety-one".