6940634650 has 24 divisors (see below), whose sum is σ = 12925852380. Its totient is φ = 2772754560.

The previous prime is 6940634581. The next prime is 6940634707. The reversal of 6940634650 is 564360496.

It can be written as a sum of positive squares in 6 ways, for example, as 4152900249 + 2787734401 = 64443^2 + 52799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6940634597 and 6940634606.

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, 47235 + ... + 126934.

Almost surely, 2^6940634650 is an apocalyptic number.

6940634650 is a deficient number, since it is larger than the sum of its proper divisors (5985217730).

6940634650 is a wasteful number, since it uses less digits than its factorization.

6940634650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174978 (or 174973 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 6940634650 is about 83310.4714306671. The cubic root of 6940634650 is about 1907.5081170243.

The spelling of 6940634650 in words is "six billion, nine hundred forty million, six hundred thirty-four thousand, six hundred fifty".