42983655625 has 15 divisors (see below), whose sum is σ = 53718853683. Its totient is φ = 34382778000.

The previous prime is 42983655619. The next prime is 42983655641. The reversal of 42983655625 is 52655638924.

The square root of 42983655625 is 207325.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 41246766649 + 1736888976 = 203093^2 + 41676^2 .

It is not a de Polignac number, because 42983655625 - 2²³ = 42975267017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5178979 + ... + 5187271.

Almost surely, 2^42983655625 is an apocalyptic number.

42983655625 is the 207325-th square number.

42983655625 is the 103663-rd centered octagonal number.

It is an amenable number.

42983655625 is a deficient number, since it is larger than the sum of its proper divisors (10735198058).

42983655625 is an frugal number, since it uses more digits than its factorization.

42983655625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16606 (or 8298 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 55.

The spelling of 42983655625 in words is "forty-two billion, nine hundred eighty-three million, six hundred fifty-five thousand, six hundred twenty-five".