1939460134049 has 4 divisors (see below), whose sum is σ = 1939478036100. Its totient is φ = 1939442232000.

The previous prime is 1939460134043. The next prime is 1939460134091. The reversal of 1939460134049 is 9404310649391.

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 1168576134049 + 770884000000 = 1081007^2 + 878000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1939460134049 - 2⁴ = 1939460134033 is a prime.

It is a super-2 number, since 2×1939460134049² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1939460134043) 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, 8787524 + ... + 9005525.

It is an arithmetic number, because the mean of its divisors is an integer number (484869509025).

Almost surely, 2^{1939460134049} is an apocalyptic number.

It is an amenable number.

1939460134049 is a deficient number, since it is larger than the sum of its proper divisors (17902051).

1939460134049 is a wasteful number, since it uses less digits than its factorization.

1939460134049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17902050.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 1939460134049 in words is "one trillion, nine hundred thirty-nine billion, four hundred sixty million, one hundred thirty-four thousand, forty-nine".