6378074545 has 32 divisors (see below), whose sum is σ = 8119077120. Its totient is φ = 4801655040.

The previous prime is 6378074543. The next prime is 6378074611. The reversal of 6378074545 is 5454708736.

It is not a de Polignac number, because 6378074545 - 2¹ = 6378074543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6378074543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4220340 + ... + 4221850.

It is an arithmetic number, because the mean of its divisors is an integer number (253721160).

Almost surely, 2^6378074545 is an apocalyptic number.

It is an amenable number.

6378074545 is a deficient number, since it is larger than the sum of its proper divisors (1741002575).

6378074545 is a wasteful number, since it uses less digits than its factorization.

6378074545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The square root of 6378074545 is about 79862.8483401387. The cubic root of 6378074545 is about 1854.5129212801.

The spelling of 6378074545 in words is "six billion, three hundred seventy-eight million, seventy-four thousand, five hundred forty-five".