6771422501 has 4 divisors (see below), whose sum is σ = 6794533452. Its totient is φ = 6748311552.

The previous prime is 6771422461. The next prime is 6771422513. The reversal of 6771422501 is 1052241776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3246150625 + 3525271876 = 56975^2 + 59374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6771422501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6771422591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11555036 + ... + 11555621.

It is an arithmetic number, because the mean of its divisors is an integer number (1698633363).

Almost surely, 2^6771422501 is an apocalyptic number.

It is an amenable number.

6771422501 is a deficient number, since it is larger than the sum of its proper divisors (23110951).

6771422501 is a wasteful number, since it uses less digits than its factorization.

6771422501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23110950.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 6771422501 is about 82288.6535374106. The cubic root of 6771422501 is about 1891.8787716376.

The spelling of 6771422501 in words is "six billion, seven hundred seventy-one million, four hundred twenty-two thousand, five hundred one".