6945831394445 has 8 divisors (see below), whose sum is σ = 8378636405760. Its totient is φ = 5527572627280.

The previous prime is 6945831394421. The next prime is 6945831394493. The reversal of 6945831394445 is 5444931385496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6945831394445 - 2¹⁰ = 6945831393421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636559985 + ... + 3636561894.

It is an arithmetic number, because the mean of its divisors is an integer number (1047329550720).

Almost surely, 2^{6945831394445} is an apocalyptic number.

It is an amenable number.

6945831394445 is a deficient number, since it is larger than the sum of its proper divisors (1432805011315).

6945831394445 is a wasteful number, since it uses less digits than its factorization.

6945831394445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273122075.

The product of its digits is 223948800, while the sum is 65.

The spelling of 6945831394445 in words is "six trillion, nine hundred forty-five billion, eight hundred thirty-one million, three hundred ninety-four thousand, four hundred forty-five".