4520561784 has 16 divisors (see below), whose sum is σ = 11301404520. Its totient is φ = 1506853920.

The previous prime is 4520561777. The next prime is 4520561791. The reversal of 4520561784 is 4871650254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4520561777) and next prime (4520561791).

It is a super-2 number, since 2×4520561784² = 40870957685922525312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94178347 + ... + 94178394.

Almost surely, 2^4520561784 is an apocalyptic number.

It is an amenable number.

4520561784 is an abundant number, since it is smaller than the sum of its proper divisors (6780842736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4520561784 is a wasteful number, since it uses less digits than its factorization.

4520561784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188356750 (or 188356746 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 4520561784 is about 67235.1231425956. The cubic root of 4520561784 is about 1653.4743788288.

The spelling of 4520561784 in words is "four billion, five hundred twenty million, five hundred sixty-one thousand, seven hundred eighty-four".