4629091909 has 8 divisors (see below), whose sum is σ = 5036570840. Its totient is φ = 4228955136.

The previous prime is 4629091889. The next prime is 4629091913. The reversal of 4629091909 is 9091909264.

It can be written as a sum of positive squares in 4 ways, for example, as 21669025 + 4607422884 = 4655^2 + 67878^2 .

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 4629091909 - 2¹³ = 4629083717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629091939) 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, 1834224 + ... + 1836745.

It is an arithmetic number, because the mean of its divisors is an integer number (629571355).

Almost surely, 2^4629091909 is an apocalyptic number.

It is an amenable number.

4629091909 is a deficient number, since it is larger than the sum of its proper divisors (407478931).

4629091909 is a wasteful number, since it uses less digits than its factorization.

4629091909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671079.

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 4629091909 is about 68037.4302057331. The cubic root of 4629091909 is about 1666.6021376928.

The spelling of 4629091909 in words is "four billion, six hundred twenty-nine million, ninety-one thousand, nine hundred nine".