1629416245 has 4 divisors (see below), whose sum is σ = 1955299500. Its totient is φ = 1303532992.

The previous prime is 1629416207. The next prime is 1629416263. The reversal of 1629416245 is 5426149261.

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 1032786769 + 596629476 = 32137^2 + 24426^2 .

It is a cyclic number.

It is not a de Polignac number, because 1629416245 - 2²⁷ = 1495198517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1629416198 and 1629416207.

It is a congruent number.

It is an unprimeable number.

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, 162941620 + ... + 162941629.

It is an arithmetic number, because the mean of its divisors is an integer number (488824875).

Almost surely, 2^1629416245 is an apocalyptic number.

It is an amenable number.

1629416245 is a deficient number, since it is larger than the sum of its proper divisors (325883255).

1629416245 is an equidigital number, since it uses as much as digits as its factorization.

1629416245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325883254.

The product of its digits is 103680, while the sum is 40.

The square root of 1629416245 is about 40366.0283530595. The cubic root of 1629416245 is about 1176.7314133315.

The spelling of 1629416245 in words is "one billion, six hundred twenty-nine million, four hundred sixteen thousand, two hundred forty-five".