1029491029 has 12 divisors (see below), whose sum is σ = 1198114464. Its totient is φ = 882020664.

The previous prime is 1029491009. The next prime is 1029491053. The reversal of 1029491029 is 9201949201.

It is not a de Polignac number, because 1029491029 - 2¹⁷ = 1029359957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029491009) 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 in 11 ways as a sum of consecutive naturals, for example, 166654 + ... + 172720.

It is an arithmetic number, because the mean of its divisors is an integer number (99842872).

Almost surely, 2^1029491029 is an apocalyptic number.

It is an amenable number.

1029491029 is a deficient number, since it is larger than the sum of its proper divisors (168623435).

1029491029 is an equidigital number, since it uses as much as digits as its factorization.

1029491029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9544 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1029491029 is about 32085.6826170178. The cubic root of 1029491029 is about 1009.7352601557.

The spelling of 1029491029 in words is "one billion, twenty-nine million, four hundred ninety-one thousand, twenty-nine".