659982941 has 8 divisors (see below), whose sum is σ = 670082424. Its totient is φ = 649958400.

The previous prime is 659982937. The next prime is 659982991. The reversal of 659982941 is 149289956.

It can be written as a sum of positive squares in 4 ways, for example, as 64866916 + 595116025 = 8054^2 + 24395^2 .

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 659982941 - 2² = 659982937 is a prime.

It is a super-2 number, since 2×659982941² = 871154964822018962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659982931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860 + ... + 36341.

It is an arithmetic number, because the mean of its divisors is an integer number (83760303).

Almost surely, 2^659982941 is an apocalyptic number.

It is an amenable number.

659982941 is a deficient number, since it is larger than the sum of its proper divisors (10099483).

659982941 is a wasteful number, since it uses less digits than its factorization.

659982941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37471.

The product of its digits is 1399680, while the sum is 53.

The square root of 659982941 is about 25690.1331448477. The cubic root of 659982941 is about 870.6512677558.

The spelling of 659982941 in words is "six hundred fifty-nine million, nine hundred eighty-two thousand, nine hundred forty-one".