1029699029 has 6 divisors (see below), whose sum is σ = 1076415606. Its totient is φ = 984929000.

The previous prime is 1029699017. The next prime is 1029699037. The reversal of 1029699029 is 9209969201.

It can be written as a sum of positive squares in only one way, i.e., 763030129 + 266668900 = 27623^2 + 16330^2 .

It is not a de Polignac number, because 1029699029 - 2²⁰ = 1028650453 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 (1029699089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 972722 + ... + 973779.

It is an arithmetic number, because the mean of its divisors is an integer number (179402601).

Almost surely, 2^1029699029 is an apocalyptic number.

It is an amenable number.

1029699029 is a deficient number, since it is larger than the sum of its proper divisors (46716577).

1029699029 is an equidigital number, since it uses as much as digits as its factorization.

1029699029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946547 (or 1946524 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 1029699029 is about 32088.9237744116. The cubic root of 1029699029 is about 1009.8032584141.

The spelling of 1029699029 in words is "one billion, twenty-nine million, six hundred ninety-nine thousand, twenty-nine".