1010002493 has 2 divisors, whose sum is σ = 1010002494. Its totient is φ = 1010002492.

The previous prime is 1010002489. The next prime is 1010002507. The reversal of 1010002493 is 3942000101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951907609 + 58094884 = 30853^2 + 7622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010002493 - 2² = 1010002489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010002403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505001246 + 505001247.

It is an arithmetic number, because the mean of its divisors is an integer number (505001247).

Almost surely, 2^1010002493 is an apocalyptic number.

It is an amenable number.

1010002493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010002493 is an equidigital number, since it uses as much as digits as its factorization.

1010002493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1010002493 is about 31780.5363862852. The cubic root of 1010002493 is about 1003.3231090472.

Adding to 1010002493 its reverse (3942000101), we get a palindrome (4952002594).

The spelling of 1010002493 in words is "one billion, ten million, two thousand, four hundred ninety-three".