1344772399 has 2 divisors, whose sum is σ = 1344772400. Its totient is φ = 1344772398.

The previous prime is 1344772381. The next prime is 1344772417. The reversal of 1344772399 is 9932774431.

It is a balanced prime because it is at equal distance from previous prime (1344772381) and next prime (1344772417).

It is a cyclic number.

It is not a de Polignac number, because 1344772399 - 2⁹ = 1344771887 is a prime.

It is a super-2 number, since 2×1344772399² = 3616825610224430402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344772379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672386199 + 672386200.

It is an arithmetic number, because the mean of its divisors is an integer number (672386200).

Almost surely, 2^1344772399 is an apocalyptic number.

1344772399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344772399 is an equidigital number, since it uses as much as digits as its factorization.

1344772399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 1344772399 is about 36671.1385015519. The cubic root of 1344772399 is about 1103.7810378319.

The spelling of 1344772399 in words is "one billion, three hundred forty-four million, seven hundred seventy-two thousand, three hundred ninety-nine".