1024536729 has 4 divisors (see below), whose sum is σ = 1366048976. Its totient is φ = 683024484.

The previous prime is 1024536713. The next prime is 1024536749. The reversal of 1024536729 is 9276354201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9276354201 = 3 ⋅3092118067.

It is not a de Polignac number, because 1024536729 - 2⁴ = 1024536713 is a prime.

It is a super-3 number, since 3×1024536729³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1024536749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170756119 + ... + 170756124.

It is an arithmetic number, because the mean of its divisors is an integer number (341512244).

Almost surely, 2^1024536729 is an apocalyptic number.

It is an amenable number.

1024536729 is a deficient number, since it is larger than the sum of its proper divisors (341512247).

1024536729 is an equidigital number, since it uses as much as digits as its factorization.

1024536729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341512246.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1024536729 is about 32008.3852919825. The cubic root of 1024536729 is about 1008.1129123247.

The spelling of 1024536729 in words is "one billion, twenty-four million, five hundred thirty-six thousand, seven hundred twenty-nine".