1629089249 has 8 divisors (see below), whose sum is σ = 1683208512. Its totient is φ = 1575836080.

The previous prime is 1629089237. The next prime is 1629089251. The reversal of 1629089249 is 9429809261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1629089249 - 2²⁴ = 1612312033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1629089197 and 1629089206.

It is not an unprimeable number, because it can be changed into a prime (1629089269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212699 + ... + 220224.

It is an arithmetic number, because the mean of its divisors is an integer number (210401064).

Almost surely, 2^1629089249 is an apocalyptic number.

It is an amenable number.

1629089249 is a deficient number, since it is larger than the sum of its proper divisors (54119263).

1629089249 is an equidigital number, since it uses as much as digits as its factorization.

1629089249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433047.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 1629089249 is about 40361.9777637320. The cubic root of 1629089249 is about 1176.6526914356.

The spelling of 1629089249 in words is "one billion, six hundred twenty-nine million, eighty-nine thousand, two hundred forty-nine".