669413422737 has 32 divisors (see below), whose sum is σ = 1054417541760. Its totient is φ = 418281200640.

The previous prime is 669413422681. The next prime is 669413422747. The reversal of 669413422737 is 737224314966.

It is a happy number.

669413422737 is a `hidden beast` number, since 66 + 94 + 1 + 3 + 422 + 73 + 7 = 666.

669413422737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 669413422737 - 2¹⁰ = 669413421713 is a prime.

It is a super-2 number, since 2×669413422737² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (669413422747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2915143 + ... + 3136380.

It is an arithmetic number, because the mean of its divisors is an integer number (32950548180).

Almost surely, 2^669413422737 is an apocalyptic number.

It is an amenable number.

669413422737 is a deficient number, since it is larger than the sum of its proper divisors (385004119023).

669413422737 is a wasteful number, since it uses less digits than its factorization.

669413422737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051790 (or 6051784 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 669413422737 in words is "six hundred sixty-nine billion, four hundred thirteen million, four hundred twenty-two thousand, seven hundred thirty-seven".