1682965653 has 4 divisors (see below), whose sum is σ = 2243954208. Its totient is φ = 1121977100.

The previous prime is 1682965651. The next prime is 1682965673. The reversal of 1682965653 is 3565692861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3565692861 = 3 ⋅1188564287.

It is a cyclic number.

It is not a de Polignac number, because 1682965653 - 2¹ = 1682965651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1682965596 and 1682965605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682965651) 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, 280494273 + ... + 280494278.

It is an arithmetic number, because the mean of its divisors is an integer number (560988552).

Almost surely, 2^1682965653 is an apocalyptic number.

It is an amenable number.

1682965653 is a deficient number, since it is larger than the sum of its proper divisors (560988555).

1682965653 is an equidigital number, since it uses as much as digits as its factorization.

1682965653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560988554.

The product of its digits is 2332800, while the sum is 51.

The square root of 1682965653 is about 41023.9643744970. The cubic root of 1682965653 is about 1189.4834876811.

The spelling of 1682965653 in words is "one billion, six hundred eighty-two million, nine hundred sixty-five thousand, six hundred fifty-three".