1344954487 has 2 divisors, whose sum is σ = 1344954488. Its totient is φ = 1344954486.

The previous prime is 1344954421. The next prime is 1344954497. The reversal of 1344954487 is 7844594431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344954487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1344954487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344954497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672477243 + 672477244.

It is an arithmetic number, because the mean of its divisors is an integer number (672477244).

Almost surely, 2^1344954487 is an apocalyptic number.

1344954487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344954487 is an equidigital number, since it uses as much as digits as its factorization.

1344954487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 1344954487 is about 36673.6211329070. The cubic root of 1344954487 is about 1103.8308544926.

The spelling of 1344954487 in words is "one billion, three hundred forty-four million, nine hundred fifty-four thousand, four hundred eighty-seven".