6505780094 has 32 divisors (see below), whose sum is σ = 11003046912. Its totient is φ = 2858184000.

The previous prime is 6505780087. The next prime is 6505780097. The reversal of 6505780094 is 4900875056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505780097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578909 + ... + 590039.

It is an arithmetic number, because the mean of its divisors is an integer number (343845216).

Almost surely, 2^6505780094 is an apocalyptic number.

6505780094 is a deficient number, since it is larger than the sum of its proper divisors (4497266818).

6505780094 is a wasteful number, since it uses less digits than its factorization.

6505780094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12032.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 6505780094 is about 80658.4161386771. The cubic root of 6505780094 is about 1866.8086008077.

The spelling of 6505780094 in words is "six billion, five hundred five million, seven hundred eighty thousand, ninety-four".