1982530465 has 8 divisors (see below), whose sum is σ = 2380141440. Its totient is φ = 1585287792.

The previous prime is 1982530457. The next prime is 1982530481. The reversal of 1982530465 is 5640352891.

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

It is a cyclic number.

It is not a de Polignac number, because 1982530465 - 2³ = 1982530457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80089 + ... + 101878.

It is an arithmetic number, because the mean of its divisors is an integer number (297517680).

Almost surely, 2^1982530465 is an apocalyptic number.

It is an amenable number.

1982530465 is a deficient number, since it is larger than the sum of its proper divisors (397610975).

1982530465 is a wasteful number, since it uses less digits than its factorization.

1982530465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184151.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 1982530465 is about 44525.6158295424. The cubic root of 1982530465 is about 1256.2419444877.

The spelling of 1982530465 in words is "one billion, nine hundred eighty-two million, five hundred thirty thousand, four hundred sixty-five".