2738131399 has 2 divisors, whose sum is σ = 2738131400. Its totient is φ = 2738131398.

The previous prime is 2738131379. The next prime is 2738131433. The reversal of 2738131399 is 9931318372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2738131399 - 2¹¹ = 2738129351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738131349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369065699 + 1369065700.

It is an arithmetic number, because the mean of its divisors is an integer number (1369065700).

Almost surely, 2^2738131399 is an apocalyptic number.

2738131399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738131399 is an equidigital number, since it uses as much as digits as its factorization.

2738131399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 2738131399 is about 52327.1573754967. The cubic root of 2738131399 is about 1399.0012262399.

The spelling of 2738131399 in words is "two billion, seven hundred thirty-eight million, one hundred thirty-one thousand, three hundred ninety-nine".