1354708549 has 2 divisors, whose sum is σ = 1354708550. Its totient is φ = 1354708548.

The previous prime is 1354708547. The next prime is 1354708559. The reversal of 1354708549 is 9458074531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051704900 + 303003649 = 32430^2 + 17407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354708549 - 2¹ = 1354708547 is a prime.

Together with 1354708547, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1354708499 and 1354708508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354708543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677354274 + 677354275.

It is an arithmetic number, because the mean of its divisors is an integer number (677354275).

Almost surely, 2^1354708549 is an apocalyptic number.

It is an amenable number.

1354708549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354708549 is an equidigital number, since it uses as much as digits as its factorization.

1354708549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 1354708549 is about 36806.3656043353. The cubic root of 1354708549 is about 1106.4928803151.

The spelling of 1354708549 in words is "one billion, three hundred fifty-four million, seven hundred eight thousand, five hundred forty-nine".