6936927645 has 16 divisors (see below), whose sum is σ = 11683247040. Its totient is φ = 3504973824.

The previous prime is 6936927617. The next prime is 6936927661. The reversal of 6936927645 is 5467296396.

It is a de Polignac number, because none of the positive numbers 2^k-6936927645 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12169764 + ... + 12170333.

It is an arithmetic number, because the mean of its divisors is an integer number (730202940).

Almost surely, 2^6936927645 is an apocalyptic number.

It is an amenable number.

6936927645 is a deficient number, since it is larger than the sum of its proper divisors (4746319395).

6936927645 is a wasteful number, since it uses less digits than its factorization.

6936927645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24340124.

The product of its digits is 14696640, while the sum is 57.

The square root of 6936927645 is about 83288.2203255658. The cubic root of 6936927645 is about 1907.1684554150.

The spelling of 6936927645 in words is "six billion, nine hundred thirty-six million, nine hundred twenty-seven thousand, six hundred forty-five".