1641471485 has 32 divisors (see below), whose sum is σ = 2069971200. Its totient is φ = 1247984640.

The previous prime is 1641471473. The next prime is 1641471487. The reversal of 1641471485 is 5841741461.

It is not a de Polignac number, because 1641471485 - 2²² = 1637277181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641471487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3738896 + ... + 3739334.

It is an arithmetic number, because the mean of its divisors is an integer number (64686600).

Almost surely, 2^1641471485 is an apocalyptic number.

It is an amenable number.

1641471485 is a deficient number, since it is larger than the sum of its proper divisors (428499715).

1641471485 is a wasteful number, since it uses less digits than its factorization.

1641471485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its digits is 107520, while the sum is 41.

The square root of 1641471485 is about 40515.0772552639. The cubic root of 1641471485 is about 1179.6263024734.

The spelling of 1641471485 in words is "one billion, six hundred forty-one million, four hundred seventy-one thousand, four hundred eighty-five".