1029491053 has 2 divisors, whose sum is σ = 1029491054. Its totient is φ = 1029491052.

The previous prime is 1029491009. The next prime is 1029491101. The reversal of 1029491053 is 3501949201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002482244 + 27008809 = 31662^2 + 5197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029491053 - 2⁹ = 1029490541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1029491153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514745526 + 514745527.

It is an arithmetic number, because the mean of its divisors is an integer number (514745527).

Almost surely, 2^1029491053 is an apocalyptic number.

It is an amenable number.

1029491053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029491053 is an equidigital number, since it uses as much as digits as its factorization.

1029491053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1029491053 is about 32085.6829910164. The cubic root of 1029491053 is about 1009.7352680021.

The spelling of 1029491053 in words is "one billion, twenty-nine million, four hundred ninety-one thousand, fifty-three".