1641029941 has 8 divisors (see below), whose sum is σ = 1777970304. Its totient is φ = 1508579520.

The previous prime is 1641029939. The next prime is 1641029947. The reversal of 1641029941 is 1499201461.

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 1641029941 - 2¹ = 1641029939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1641029941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641029947) 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, 1121725 + ... + 1123186.

It is an arithmetic number, because the mean of its divisors is an integer number (222246288).

Almost surely, 2^1641029941 is an apocalyptic number.

It is an amenable number.

1641029941 is a deficient number, since it is larger than the sum of its proper divisors (136940363).

1641029941 is a wasteful number, since it uses less digits than its factorization.

1641029941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244971.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1641029941 is about 40509.6277568679. The cubic root of 1641029941 is about 1179.5205226634.

The spelling of 1641029941 in words is "one billion, six hundred forty-one million, twenty-nine thousand, nine hundred forty-one".