699669212106 has 32 divisors (see below), whose sum is σ = 1483584883200. Its totient is φ = 219358612080.

The previous prime is 699669212101. The next prime is 699669212113. The reversal of 699669212106 is 601212966996.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (699669212101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22061310 + ... + 22093001.

It is an arithmetic number, because the mean of its divisors is an integer number (46362027600).

Almost surely, 2^699669212106 is an apocalyptic number.

699669212106 is an abundant number, since it is smaller than the sum of its proper divisors (783915671094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699669212106 is a wasteful number, since it uses less digits than its factorization.

699669212106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44154474.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 699669212106 in words is "six hundred ninety-nine billion, six hundred sixty-nine million, two hundred twelve thousand, one hundred six".