2046142481 has 2 divisors, whose sum is σ = 2046142482. Its totient is φ = 2046142480.

The previous prime is 2046142463. The next prime is 2046142519. The reversal of 2046142481 is 1842416402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1869784081 + 176358400 = 43241^2 + 13280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046142481 - 2²² = 2041948177 is a prime.

It is a super-2 number, since 2×2046142481² = 8373398105105670722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2046142421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023071240 + 1023071241.

It is an arithmetic number, because the mean of its divisors is an integer number (1023071241).

Almost surely, 2^2046142481 is an apocalyptic number.

It is an amenable number.

2046142481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046142481 is an equidigital number, since it uses as much as digits as its factorization.

2046142481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 2046142481 is about 45234.3064609153. The cubic root of 2046142481 is about 1269.5367895532.

Adding to 2046142481 its reverse (1842416402), we get a palindrome (3888558883).

The spelling of 2046142481 in words is "two billion, forty-six million, one hundred forty-two thousand, four hundred eighty-one".