669070651403 has 16 divisors (see below), whose sum is σ = 834277086720. Its totient is φ = 521284329600.

The previous prime is 669070651399. The next prime is 669070651421. The reversal of 669070651403 is 304156070966.

It is a cyclic number.

It is not a de Polignac number, because 669070651403 - 2² = 669070651399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669070651453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7283 + ... + 1156803.

It is an arithmetic number, because the mean of its divisors is an integer number (52142317920).

Almost surely, 2^669070651403 is an apocalyptic number.

669070651403 is a deficient number, since it is larger than the sum of its proper divisors (165206435317).

669070651403 is a wasteful number, since it uses less digits than its factorization.

669070651403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157098.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 669070651403 in words is "six hundred sixty-nine billion, seventy million, six hundred fifty-one thousand, four hundred three".