1416428633 has 4 divisors (see below), whose sum is σ = 1419147828. Its totient is φ = 1413709440.

The previous prime is 1416428609. The next prime is 1416428647. The reversal of 1416428633 is 3368246141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 909143104 + 507285529 = 30152^2 + 22523^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416428633 - 2²⁴ = 1399651417 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 (1416428693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358816 + ... + 1359857.

It is an arithmetic number, because the mean of its divisors is an integer number (354786957).

Almost surely, 2^1416428633 is an apocalyptic number.

It is an amenable number.

1416428633 is a deficient number, since it is larger than the sum of its proper divisors (2719195).

1416428633 is an equidigital number, since it uses as much as digits as its factorization.

1416428633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719194.

The product of its digits is 82944, while the sum is 38.

The square root of 1416428633 is about 37635.4704102393. The cubic root of 1416428633 is about 1123.0477768491.

The spelling of 1416428633 in words is "one billion, four hundred sixteen million, four hundred twenty-eight thousand, six hundred thirty-three".