1807489336042 has 16 divisors (see below), whose sum is σ = 2967655885992. Its totient is φ = 820550013120.

The previous prime is 1807489336027. The next prime is 1807489336049. The reversal of 1807489336042 is 2406339847081.

It is a Cunningham number, because it is equal to 1344429²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 536411224801 + 1271078111241 = 732401^2 + 1127421^2 .

It is not an unprimeable number, because it can be changed into a prime (1807489336049) 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 7 ways as a sum of consecutive naturals, for example, 569824813 + ... + 569827984.

Almost surely, 2^{1807489336042} is an apocalyptic number.

1807489336042 is a deficient number, since it is larger than the sum of its proper divisors (1160166549950).

1807489336042 is a wasteful number, since it uses less digits than its factorization.

1807489336042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139652873.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 1807489336042 in words is "one trillion, eight hundred seven billion, four hundred eighty-nine million, three hundred thirty-six thousand, forty-two".