6705945490545 has 48 divisors (see below), whose sum is σ = 13861730817792. Its totient is φ = 2932289205120.

The previous prime is 6705945490511. The next prime is 6705945490663. The reversal of 6705945490545 is 5450945495076.

6705945490545 is a `hidden beast` number, since 6 + 7 + 0 + 5 + 9 + 45 + 49 + 0 + 545 = 666.

It is not a de Polignac number, because 6705945490545 - 2¹¹ = 6705945488497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 462790926 + ... + 462805415.

It is an arithmetic number, because the mean of its divisors is an integer number (288786058704).

Almost surely, 2^{6705945490545} is an apocalyptic number.

It is an amenable number.

6705945490545 is an abundant number, since it is smaller than the sum of its proper divisors (7155785327247).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6705945490545 is a wasteful number, since it uses less digits than its factorization.

6705945490545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925596382 (or 925596379 counting only the distinct ones).

The product of its (nonzero) digits is 136080000, while the sum is 63.

The spelling of 6705945490545 in words is "six trillion, seven hundred five billion, nine hundred forty-five million, four hundred ninety thousand, five hundred forty-five".