2042347477 has 2 divisors, whose sum is σ = 2042347478. Its totient is φ = 2042347476.

The previous prime is 2042347459. The next prime is 2042347543. The reversal of 2042347477 is 7747432402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345862596 + 696484881 = 36686^2 + 26391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042347477 - 2²³ = 2033958869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042347777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021173738 + 1021173739.

It is an arithmetic number, because the mean of its divisors is an integer number (1021173739).

Almost surely, 2^2042347477 is an apocalyptic number.

It is an amenable number.

2042347477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042347477 is an equidigital number, since it uses as much as digits as its factorization.

2042347477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 40.

The square root of 2042347477 is about 45192.3386980581. The cubic root of 2042347477 is about 1268.7514289840.

Adding to 2042347477 its reverse (7747432402), we get a palindrome (9789779879).

The spelling of 2042347477 in words is "two billion, forty-two million, three hundred forty-seven thousand, four hundred seventy-seven".