1395355049 has 4 divisors (see below), whose sum is σ = 1522205520. Its totient is φ = 1268504580.

The previous prime is 1395355021. The next prime is 1395355139. The reversal of 1395355049 is 9405535931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1395355049 - 2¹² = 1395350953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1395055049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63425219 + ... + 63425240.

It is an arithmetic number, because the mean of its divisors is an integer number (380551380).

Almost surely, 2^1395355049 is an apocalyptic number.

It is an amenable number.

1395355049 is a deficient number, since it is larger than the sum of its proper divisors (126850471).

1395355049 is a wasteful number, since it uses less digits than its factorization.

1395355049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126850470.

The product of its (nonzero) digits is 364500, while the sum is 44.

The square root of 1395355049 is about 37354.4515285662. The cubic root of 1395355049 is about 1117.4503676322.

The spelling of 1395355049 in words is "one billion, three hundred ninety-five million, three hundred fifty-five thousand, forty-nine".