1641034109 has 12 divisors (see below), whose sum is σ = 1938523392. Its totient is φ = 1377090000.

The previous prime is 1641034103. The next prime is 1641034111. The reversal of 1641034109 is 9014301461.

It is not a de Polignac number, because 1641034109 - 2²⁰ = 1639985533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641034103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439517 + ... + 443234.

It is an arithmetic number, because the mean of its divisors is an integer number (161543616).

Almost surely, 2^1641034109 is an apocalyptic number.

It is an amenable number.

1641034109 is a deficient number, since it is larger than the sum of its proper divisors (297489283).

1641034109 is a wasteful number, since it uses less digits than its factorization.

1641034109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882788 (or 882775 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1641034109 is about 40509.6792013958. The cubic root of 1641034109 is about 1179.5215212715.

The spelling of 1641034109 in words is "one billion, six hundred forty-one million, thirty-four thousand, one hundred nine".