6919045 has 24 divisors (see below), whose sum is σ = 9980928. Its totient is φ = 4586400.

The previous prime is 6919043. The next prime is 6919061. The reversal of 6919045 is 5409196.

It is not a de Polignac number, because 6919045 - 2¹ = 6919043 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6919045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6919043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7140 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (415872).

Almost surely, 2^6919045 is an apocalyptic number.

6919045 is the 1519-th octagonal number.

It is an amenable number.

6919045 is a deficient number, since it is larger than the sum of its proper divisors (3061883).

6919045 is a wasteful number, since it uses less digits than its factorization.

6919045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 6919045 is about 2630.4077630664. The cubic root of 6919045 is about 190.5528220874.

The spelling of 6919045 in words is "six million, nine hundred nineteen thousand, forty-five".