663412937 has 4 divisors (see below), whose sum is σ = 723723216. Its totient is φ = 603102660.

The previous prime is 663412931. The next prime is 663412963. The reversal of 663412937 is 739214366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 663412937 - 2⁴ = 663412921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663412894 and 663412903.

It is not an unprimeable number, because it can be changed into a prime (663412931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30155123 + ... + 30155144.

It is an arithmetic number, because the mean of its divisors is an integer number (180930804).

Almost surely, 2^663412937 is an apocalyptic number.

It is an amenable number.

663412937 is a deficient number, since it is larger than the sum of its proper divisors (60310279).

663412937 is a wasteful number, since it uses less digits than its factorization.

663412937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60310278.

The product of its digits is 163296, while the sum is 41.

The square root of 663412937 is about 25756.8037030995. The cubic root of 663412937 is about 872.1569490136.

The spelling of 663412937 in words is "six hundred sixty-three million, four hundred twelve thousand, nine hundred thirty-seven".