4890450465 has 16 divisors (see below), whose sum is σ = 8694134400. Its totient is φ = 2608240176.

The previous prime is 4890450457. The next prime is 4890450479. The reversal of 4890450465 is 5640540984.

4890450465 is a `hidden beast` number, since 4 + 89 + 0 + 4 + 504 + 65 = 666.

It is not a de Polignac number, because 4890450465 - 2³ = 4890450457 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4890450465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18112645 + ... + 18112914.

It is an arithmetic number, because the mean of its divisors is an integer number (543383400).

Almost surely, 2^4890450465 is an apocalyptic number.

4890450465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4890450465 is a deficient number, since it is larger than the sum of its proper divisors (3803683935).

4890450465 is a wasteful number, since it uses less digits than its factorization.

4890450465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225573 (or 36225567 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 4890450465 is about 69931.7557694643. The cubic root of 4890450465 is about 1697.3951416043.

The spelling of 4890450465 in words is "four billion, eight hundred ninety million, four hundred fifty thousand, four hundred sixty-five".