1949628329 has 8 divisors (see below), whose sum is σ = 2143104480. Its totient is φ = 1758858400.

The previous prime is 1949628319. The next prime is 1949628337. The reversal of 1949628329 is 9238269491.

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

It is not a de Polignac number, because 1949628329 - 2⁴ = 1949628313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1949628319) 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, 675044 + ... + 677925.

It is an arithmetic number, because the mean of its divisors is an integer number (267888060).

Almost surely, 2^1949628329 is an apocalyptic number.

It is an amenable number.

1949628329 is a deficient number, since it is larger than the sum of its proper divisors (193476151).

1949628329 is a wasteful number, since it uses less digits than its factorization.

1949628329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353111.

The product of its digits is 1679616, while the sum is 53.

The square root of 1949628329 is about 44154.5957857163. The cubic root of 1949628329 is about 1249.2535979159.

The spelling of 1949628329 in words is "one billion, nine hundred forty-nine million, six hundred twenty-eight thousand, three hundred twenty-nine".