1642000017 has 8 divisors (see below), whose sum is σ = 2502095296. Its totient is φ = 938285712.

The previous prime is 1641999977. The next prime is 1642000081. The reversal of 1642000017 is 7100002461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1642000017 - 2¹⁰ = 1641998993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 78190477 = 1642000017 / (1 + 6 + 4 + 2 + 0 + 0 + 0 + 0 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641999957 and 1642000002.

It is not an unprimeable number, because it can be changed into a prime (1642005017) 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, 39095218 + ... + 39095259.

It is an arithmetic number, because the mean of its divisors is an integer number (312761912).

Almost surely, 2^1642000017 is an apocalyptic number.

It is an amenable number.

1642000017 is a deficient number, since it is larger than the sum of its proper divisors (860095279).

1642000017 is an equidigital number, since it uses as much as digits as its factorization.

1642000017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78190487.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1642000017 is about 40521.5993884743. The cubic root of 1642000017 is about 1179.7528968838.

Adding to 1642000017 its reverse (7100002461), we get a palindrome (8742002478).

The spelling of 1642000017 in words is "one billion, six hundred forty-two million, seventeen", and thus it is an aban number.