1346154449 has 2 divisors, whose sum is σ = 1346154450. Its totient is φ = 1346154448.

The previous prime is 1346154409. The next prime is 1346154463. The reversal of 1346154449 is 9444516431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314570049 + 31584400 = 36257^2 + 5620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346154449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1346154409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673077224 + 673077225.

It is an arithmetic number, because the mean of its divisors is an integer number (673077225).

Almost surely, 2^1346154449 is an apocalyptic number.

It is an amenable number.

1346154449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346154449 is an equidigital number, since it uses as much as digits as its factorization.

1346154449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 1346154449 is about 36689.9775006745. The cubic root of 1346154449 is about 1104.1590344589.

The spelling of 1346154449 in words is "one billion, three hundred forty-six million, one hundred fifty-four thousand, four hundred forty-nine".