6345370061 has 2 divisors, whose sum is σ = 6345370062. Its totient is φ = 6345370060.

The previous prime is 6345370007. The next prime is 6345370069. The reversal of 6345370061 is 1600735436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3680848900 + 2664521161 = 60670^2 + 51619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6345370061 is a prime.

It is a super-3 number, since 3×6345370061³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6345370069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172685030 + 3172685031.

It is an arithmetic number, because the mean of its divisors is an integer number (3172685031).

Almost surely, 2^6345370061 is an apocalyptic number.

It is an amenable number.

6345370061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345370061 is an equidigital number, since it uses as much as digits as its factorization.

6345370061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 6345370061 is about 79657.8311341704. The cubic root of 6345370061 is about 1851.3377284426.

The spelling of 6345370061 in words is "six billion, three hundred forty-five million, three hundred seventy thousand, sixty-one".