1641340535 has 16 divisors (see below), whose sum is σ = 2042504256. Its totient is φ = 1265165568.

The previous prime is 1641340511. The next prime is 1641340553. The reversal of 1641340535 is 5350431461.

It is not a de Polignac number, because 1641340535 - 2⁶ = 1641340471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24014 + ... + 62123.

It is an arithmetic number, because the mean of its divisors is an integer number (127656516).

Almost surely, 2^1641340535 is an apocalyptic number.

1641340535 is a deficient number, since it is larger than the sum of its proper divisors (401163721).

1641340535 is a wasteful number, since it uses less digits than its factorization.

1641340535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86282.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1641340535 is about 40513.4611579904. The cubic root of 1641340535 is about 1179.5949330235.

Adding to 1641340535 its reverse (5350431461), we get a palindrome (6991771996).

The spelling of 1641340535 in words is "one billion, six hundred forty-one million, three hundred forty thousand, five hundred thirty-five".