2909628434 has 4 divisors (see below), whose sum is σ = 4364442654. Its totient is φ = 1454814216.

The previous prime is 2909628413. The next prime is 2909628437. The reversal of 2909628434 is 4348269092.

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

It can be written as a sum of positive squares in only one way, i.e., 2507505625 + 402122809 = 50075^2 + 20053^2 .

It is not an unprimeable number, because it can be changed into a prime (2909628437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727407107 + ... + 727407110.

Almost surely, 2^2909628434 is an apocalyptic number.

2909628434 is a deficient number, since it is larger than the sum of its proper divisors (1454814220).

2909628434 is a wasteful number, since it uses less digits than its factorization.

2909628434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454814219.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 2909628434 is about 53940.9717561707. The cubic root of 2909628434 is about 1427.6196292631.

The spelling of 2909628434 in words is "two billion, nine hundred nine million, six hundred twenty-eight thousand, four hundred thirty-four".