1029912853 has 4 divisors (see below), whose sum is σ = 1090495980. Its totient is φ = 969329728.

The previous prime is 1029912839. The next prime is 1029912893. The reversal of 1029912853 is 3582199201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3582199201 = 7 ⋅511742743.

It can be written as a sum of positive squares in 2 ways, for example, as 372605809 + 657307044 = 19303^2 + 25638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029912853 - 2²⁵ = 996358421 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029912893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30291538 + ... + 30291571.

It is an arithmetic number, because the mean of its divisors is an integer number (272623995).

Almost surely, 2^1029912853 is an apocalyptic number.

It is an amenable number.

1029912853 is a deficient number, since it is larger than the sum of its proper divisors (60583127).

1029912853 is an equidigital number, since it uses as much as digits as its factorization.

1029912853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60583126.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1029912853 is about 32092.2553429951. The cubic root of 1029912853 is about 1009.8731510791.

The spelling of 1029912853 in words is "one billion, twenty-nine million, nine hundred twelve thousand, eight hundred fifty-three".