2042451263 has 2 divisors, whose sum is σ = 2042451264. Its totient is φ = 2042451262.

The previous prime is 2042451259. The next prime is 2042451277. The reversal of 2042451263 is 3621542402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2042451263 - 2² = 2042451259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042451253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021225631 + 1021225632.

It is an arithmetic number, because the mean of its divisors is an integer number (1021225632).

Almost surely, 2^2042451263 is an apocalyptic number.

2042451263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042451263 is an equidigital number, since it uses as much as digits as its factorization.

2042451263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2042451263 is about 45193.4869533211. The cubic root of 2042451263 is about 1268.7729200062.

Adding to 2042451263 its reverse (3621542402), we get a palindrome (5663993665).

The spelling of 2042451263 in words is "two billion, forty-two million, four hundred fifty-one thousand, two hundred sixty-three".