2042388277 has 2 divisors, whose sum is σ = 2042388278. Its totient is φ = 2042388276.

The previous prime is 2042388203. The next prime is 2042388281. The reversal of 2042388277 is 7728832402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1197090801 + 845297476 = 34599^2 + 29074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042388277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042388377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021194138 + 1021194139.

It is an arithmetic number, because the mean of its divisors is an integer number (1021194139).

Almost surely, 2^2042388277 is an apocalyptic number.

It is an amenable number.

2042388277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042388277 is an equidigital number, since it uses as much as digits as its factorization.

2042388277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 2042388277 is about 45192.7900997493. The cubic root of 2042388277 is about 1268.7598775485.

The spelling of 2042388277 in words is "two billion, forty-two million, three hundred eighty-eight thousand, two hundred seventy-seven".