1466427829 has 4 divisors (see below), whose sum is σ = 1466871660. Its totient is φ = 1465984000.

The previous prime is 1466427821. The next prime is 1466427841. The reversal of 1466427829 is 9287246641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9287246641 = 28549 ⋅325309.

It can be written as a sum of positive squares in 2 ways, for example, as 376437604 + 1089990225 = 19402^2 + 33015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466427829 - 2³ = 1466427821 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 (1466427821) 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, 216922 + ... + 223579.

It is an arithmetic number, because the mean of its divisors is an integer number (366717915).

Almost surely, 2^1466427829 is an apocalyptic number.

It is an amenable number.

1466427829 is a deficient number, since it is larger than the sum of its proper divisors (443831).

1466427829 is an equidigital number, since it uses as much as digits as its factorization.

1466427829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443830.

The product of its digits is 1161216, while the sum is 49.

The square root of 1466427829 is about 38293.9659607098. The cubic root of 1466427829 is about 1136.1096043841.

The spelling of 1466427829 in words is "one billion, four hundred sixty-six million, four hundred twenty-seven thousand, eight hundred twenty-nine".