690144770214 has 48 divisors (see below), whose sum is σ = 1523975124672. Its totient is φ = 225641355264.

The previous prime is 690144770141. The next prime is 690144770239. The reversal of 690144770214 is 412077441096.

It is a self number, because there is not a number n which added to its sum of digits gives 690144770214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3193347 + ... + 3402609.

It is an arithmetic number, because the mean of its divisors is an integer number (31749481764).

Almost surely, 2^690144770214 is an apocalyptic number.

690144770214 is an abundant number, since it is smaller than the sum of its proper divisors (833830354458).

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

690144770214 is a wasteful number, since it uses less digits than its factorization.

690144770214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212781 (or 212778 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 690144770214 in words is "six hundred ninety billion, one hundred forty-four million, seven hundred seventy thousand, two hundred fourteen".