6361456613 has 2 divisors, whose sum is σ = 6361456614. Its totient is φ = 6361456612.

The previous prime is 6361456609. The next prime is 6361456643. The reversal of 6361456613 is 3166541636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5779344484 + 582112129 = 76022^2 + 24127^2 .

It is a cyclic number.

It is not a de Polignac number, because 6361456613 - 2² = 6361456609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6361456603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3180728306 + 3180728307.

It is an arithmetic number, because the mean of its divisors is an integer number (3180728307).

Almost surely, 2^6361456613 is an apocalyptic number.

It is an amenable number.

6361456613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6361456613 is an equidigital number, since it uses as much as digits as its factorization.

6361456613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 6361456613 is about 79758.7400414525. The cubic root of 6361456613 is about 1852.9008896466.

The spelling of 6361456613 in words is "six billion, three hundred sixty-one million, four hundred fifty-six thousand, six hundred thirteen".