1375418849 has 16 divisors (see below), whose sum is σ = 1581365760. Its totient is φ = 1171860480.

The previous prime is 1375418839. The next prime is 1375418867. The reversal of 1375418849 is 9488145731.

It is a happy number.

It is not a de Polignac number, because 1375418849 - 2¹⁶ = 1375353313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1375418797 and 1375418806.

It is not an unprimeable number, because it can be changed into a prime (1375418839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323272 + ... + 1324310.

It is an arithmetic number, because the mean of its divisors is an integer number (98835360).

Almost surely, 2^1375418849 is an apocalyptic number.

It is an amenable number.

1375418849 is a deficient number, since it is larger than the sum of its proper divisors (205946911).

1375418849 is a wasteful number, since it uses less digits than its factorization.

1375418849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its digits is 967680, while the sum is 50.

The square root of 1375418849 is about 37086.6397642062. The cubic root of 1375418849 is about 1112.1029443475.

The spelling of 1375418849 in words is "one billion, three hundred seventy-five million, four hundred eighteen thousand, eight hundred forty-nine".