1029218465 has 16 divisors (see below), whose sum is σ = 1348214976. Its totient is φ = 748036800.

The previous prime is 1029218461. The next prime is 1029218483. The reversal of 1029218465 is 5648129201.

It is not a de Polignac number, because 1029218465 - 2² = 1029218461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1029218461) 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 15 ways as a sum of consecutive naturals, for example, 94439 + ... + 104771.

It is an arithmetic number, because the mean of its divisors is an integer number (84263436).

Almost surely, 2^1029218465 is an apocalyptic number.

It is an amenable number.

1029218465 is a deficient number, since it is larger than the sum of its proper divisors (318996511).

1029218465 is a wasteful number, since it uses less digits than its factorization.

1029218465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12160.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1029218465 is about 32081.4348962137. The cubic root of 1029218465 is about 1009.6461411102.

The spelling of 1029218465 in words is "one billion, twenty-nine million, two hundred eighteen thousand, four hundred sixty-five".