669485512070 has 16 divisors (see below), whose sum is σ = 1275960623328. Its totient is φ = 252041604480.

The previous prime is 669485512057. The next prime is 669485512097. The reversal of 669485512070 is 70215584966.

It is a super-3 number, since 3×669485512070³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969074866 + ... + 1969075205.

It is an arithmetic number, because the mean of its divisors is an integer number (79747538958).

Almost surely, 2^669485512070 is an apocalyptic number.

669485512070 is a deficient number, since it is larger than the sum of its proper divisors (606475111258).

669485512070 is a wasteful number, since it uses less digits than its factorization.

669485512070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938150095.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 669485512070 in words is "six hundred sixty-nine billion, four hundred eighty-five million, five hundred twelve thousand, seventy".