1425049993 has 2 divisors, whose sum is σ = 1425049994. Its totient is φ = 1425049992.

The previous prime is 1425049987. The next prime is 1425050023. The reversal of 1425049993 is 3999405241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272206224 + 152843769 = 35668^2 + 12363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425049993 - 2⁵ = 1425049961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425049903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712524996 + 712524997.

It is an arithmetic number, because the mean of its divisors is an integer number (712524997).

Almost surely, 2^1425049993 is an apocalyptic number.

It is an amenable number.

1425049993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425049993 is an equidigital number, since it uses as much as digits as its factorization.

1425049993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 1425049993 is about 37749.8343440074. The cubic root of 1425049993 is about 1125.3217168457.

The spelling of 1425049993 in words is "one billion, four hundred twenty-five million, forty-nine thousand, nine hundred ninety-three".