2738355397 has 4 divisors (see below), whose sum is σ = 2748100716. Its totient is φ = 2728610080.

The previous prime is 2738355391. The next prime is 2738355409. The reversal of 2738355397 is 7935538372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1505362401 + 1232992996 = 38799^2 + 35114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2738355397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738355391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4872238 + ... + 4872799.

It is an arithmetic number, because the mean of its divisors is an integer number (687025179).

Almost surely, 2^2738355397 is an apocalyptic number.

It is an amenable number.

2738355397 is a deficient number, since it is larger than the sum of its proper divisors (9745319).

2738355397 is an equidigital number, since it uses as much as digits as its factorization.

2738355397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745318.

The product of its digits is 4762800, while the sum is 52.

The square root of 2738355397 is about 52329.2976925928. The cubic root of 2738355397 is about 1399.0393745104.

The spelling of 2738355397 in words is "two billion, seven hundred thirty-eight million, three hundred fifty-five thousand, three hundred ninety-seven".