1370838949 has 2 divisors, whose sum is σ = 1370838950. Its totient is φ = 1370838948.

The previous prime is 1370838947. The next prime is 1370838971. The reversal of 1370838949 is 9498380731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 904926724 + 465912225 = 30082^2 + 21585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370838949 - 2¹ = 1370838947 is a prime.

Together with 1370838947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1370838896 and 1370838905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370838943) 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 as a sum of consecutive naturals, namely, 685419474 + 685419475.

It is an arithmetic number, because the mean of its divisors is an integer number (685419475).

Almost surely, 2^1370838949 is an apocalyptic number.

It is an amenable number.

1370838949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370838949 is an equidigital number, since it uses as much as digits as its factorization.

1370838949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1370838949 is about 37024.8423224191. The cubic root of 1370838949 is about 1110.8672034328.

The spelling of 1370838949 in words is "one billion, three hundred seventy million, eight hundred thirty-eight thousand, nine hundred forty-nine".