1641893083 has 4 divisors (see below), whose sum is σ = 1694857408. Its totient is φ = 1588928760.

The previous prime is 1641893053. The next prime is 1641893129. The reversal of 1641893083 is 3803981461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3803981461 = 7 ⋅543425923.

It is a cyclic number.

It is not a de Polignac number, because 1641893083 - 2¹³ = 1641884891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1641893023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26482116 + ... + 26482177.

It is an arithmetic number, because the mean of its divisors is an integer number (423714352).

Almost surely, 2^1641893083 is an apocalyptic number.

1641893083 is a deficient number, since it is larger than the sum of its proper divisors (52964325).

1641893083 is an equidigital number, since it uses as much as digits as its factorization.

1641893083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52964324.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1641893083 is about 40520.2798978487. The cubic root of 1641893083 is about 1179.7272861583.

The spelling of 1641893083 in words is "one billion, six hundred forty-one million, eight hundred ninety-three thousand, eighty-three".