61699003389 has 24 divisors (see below), whose sum is σ = 92256659040. Its totient is φ = 39687272352.

The previous prime is 61699003343. The next prime is 61699003403. The reversal of 61699003389 is 98330099616.

It is not a de Polignac number, because 61699003389 - 2⁸ = 61699003133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61699003319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307362 + ... + 466764.

It is an arithmetic number, because the mean of its divisors is an integer number (3844027460).

Almost surely, 2^61699003389 is an apocalyptic number.

It is an amenable number.

61699003389 is a deficient number, since it is larger than the sum of its proper divisors (30557655651).

61699003389 is a wasteful number, since it uses less digits than its factorization.

61699003389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160921 (or 160918 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 61699003389 in words is "sixty-one billion, six hundred ninety-nine million, three thousand, three hundred eighty-nine".