690653822067 has 36 divisors (see below), whose sum is σ = 1112914213320. Its totient is φ = 412330596480.

The previous prime is 690653822051. The next prime is 690653822071. The reversal of 690653822067 is 760228356096.

It is not a de Polignac number, because 690653822067 - 2⁴ = 690653822051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690653822567) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4659942 + ... + 4805867.

Almost surely, 2^690653822067 is an apocalyptic number.

690653822067 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

690653822067 is a deficient number, since it is larger than the sum of its proper divisors (422260391253).

690653822067 is a wasteful number, since it uses less digits than its factorization.

690653822067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9465904 (or 9465890 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 690653822067 in words is "six hundred ninety billion, six hundred fifty-three million, eight hundred twenty-two thousand, sixty-seven".