69311944349 has 16 divisors (see below), whose sum is σ = 77763358080. Its totient is φ = 61392038400.

The previous prime is 69311944343. The next prime is 69311944379. The reversal of 69311944349 is 94344911396.

It is a cyclic number.

It is not a de Polignac number, because 69311944349 - 2¹² = 69311940253 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 69311944349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69311944343) 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, 661784 + ... + 759329.

It is an arithmetic number, because the mean of its divisors is an integer number (4860209880).

Almost surely, 2^69311944349 is an apocalyptic number.

It is an amenable number.

69311944349 is a deficient number, since it is larger than the sum of its proper divisors (8451413731).

69311944349 is a wasteful number, since it uses less digits than its factorization.

69311944349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421300.

The product of its digits is 2519424, while the sum is 53.

The spelling of 69311944349 in words is "sixty-nine billion, three hundred eleven million, nine hundred forty-four thousand, three hundred forty-nine".