1641079913 has 8 divisors (see below), whose sum is σ = 1884493920. Its totient is φ = 1413370080.

The previous prime is 1641079883. The next prime is 1641079949. The reversal of 1641079913 is 3199701461.

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 1641079913 - 2³⁰ = 567338089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641079963) 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, 3925820 + ... + 3926237.

It is an arithmetic number, because the mean of its divisors is an integer number (235561740).

Almost surely, 2^1641079913 is an apocalyptic number.

It is an amenable number.

1641079913 is a deficient number, since it is larger than the sum of its proper divisors (243414007).

1641079913 is a wasteful number, since it uses less digits than its factorization.

1641079913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852087.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1641079913 is about 40510.2445438188. The cubic root of 1641079913 is about 1179.5324953073.

The spelling of 1641079913 in words is "one billion, six hundred forty-one million, seventy-nine thousand, nine hundred thirteen".