6944345511 has 16 divisors (see below), whose sum is σ = 9930349440. Its totient is φ = 4303147680.

The previous prime is 6944345509. The next prime is 6944345531. The reversal of 6944345511 is 1155434496.

It is a happy number.

It is not a de Polignac number, because 6944345511 - 2¹ = 6944345509 is a prime.

It is a super-2 number, since 2×6944345511² = 96447869152291702242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944345531) 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, 1146325 + ... + 1152366.

It is an arithmetic number, because the mean of its divisors is an integer number (620646840).

Almost surely, 2^6944345511 is an apocalyptic number.

6944345511 is a deficient number, since it is larger than the sum of its proper divisors (2986003929).

6944345511 is a wasteful number, since it uses less digits than its factorization.

6944345511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298766.

The product of its digits is 259200, while the sum is 42.

The square root of 6944345511 is about 83332.7397305525. The cubic root of 6944345511 is about 1907.8480108374.

The spelling of 6944345511 in words is "six billion, nine hundred forty-four million, three hundred forty-five thousand, five hundred eleven".