1801474039 has 2 divisors, whose sum is σ = 1801474040. Its totient is φ = 1801474038.

The previous prime is 1801474033. The next prime is 1801474063. The reversal of 1801474039 is 9304741081.

It is a weak prime.

It is an emirp because it is prime and its reverse (9304741081) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1801474039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1801473989 and 1801474007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1801474033) 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 as a sum of consecutive naturals, namely, 900737019 + 900737020.

It is an arithmetic number, because the mean of its divisors is an integer number (900737020).

Almost surely, 2^1801474039 is an apocalyptic number.

1801474039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1801474039 is an equidigital number, since it uses as much as digits as its factorization.

1801474039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1801474039 is about 42443.7750323884. The cubic root of 1801474039 is about 1216.7723604766.

The spelling of 1801474039 in words is "one billion, eight hundred one million, four hundred seventy-four thousand, thirty-nine".