6445031169475 has 12 divisors (see below), whose sum is σ = 8054766517504. Its totient is φ = 5115426311520.

The previous prime is 6445031169461. The next prime is 6445031169481. The reversal of 6445031169475 is 5749611305446.

6445031169475 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6445031169475 - 2¹⁵ = 6445031136707 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014962364 + ... + 1014968713.

Almost surely, 2^{6445031169475} is an apocalyptic number.

6445031169475 is a deficient number, since it is larger than the sum of its proper divisors (1609735348029).

6445031169475 is a wasteful number, since it uses less digits than its factorization.

6445031169475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029931214 (or 2029931209 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 6445031169475 in words is "six trillion, four hundred forty-five billion, thirty-one million, one hundred sixty-nine thousand, four hundred seventy-five".