1010101493 has 2 divisors, whose sum is σ = 1010101494. Its totient is φ = 1010101492.

The previous prime is 1010101483. The next prime is 1010101567. The reversal of 1010101493 is 3941010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683142769 + 326958724 = 26137^2 + 18082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010101493 - 2¹⁸ = 1009839349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010101453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050746 + 505050747.

It is an arithmetic number, because the mean of its divisors is an integer number (505050747).

Almost surely, 2^1010101493 is an apocalyptic number.

It is an amenable number.

1010101493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010101493 is an equidigital number, since it uses as much as digits as its factorization.

1010101493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1010101493 is about 31782.0939052165. The cubic root of 1010101493 is about 1003.3558897394.

Adding to 1010101493 its reverse (3941010101), we get a palindrome (4951111594).

The spelling of 1010101493 in words is "one billion, ten million, one hundred one thousand, four hundred ninety-three".