6743201690 has 32 divisors (see below), whose sum is σ = 12388202640. Its totient is φ = 2641996800.

The previous prime is 6743201683. The next prime is 6743201693. The reversal of 6743201690 is 961023476.

It is a Cunningham number, because it is equal to 82117²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 2427631441 + 4315570249 = 49271^2 + 65693^2 .

It is a super-2 number, since 2×6743201690² = 90941538064037712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6743201693) 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, 124076 + ... + 169944.

Almost surely, 2^6743201690 is an apocalyptic number.

6743201690 is a deficient number, since it is larger than the sum of its proper divisors (5645000950).

6743201690 is a wasteful number, since it uses less digits than its factorization.

6743201690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46178.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 6743201690 is about 82117.0000060889. Note that the first 5 decimals coincide. The cubic root of 6743201690 is about 1889.2468925439.

The spelling of 6743201690 in words is "six billion, seven hundred forty-three million, two hundred one thousand, six hundred ninety".