6146036621 has 2 divisors, whose sum is σ = 6146036622. Its totient is φ = 6146036620.

The previous prime is 6146036591. The next prime is 6146036681. The reversal of 6146036621 is 1266306416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3239317225 + 2906719396 = 56915^2 + 53914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6146036621 is a prime.

It is a super-2 number, since 2×6146036621² = 75547532293346195282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6146036681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073018310 + 3073018311.

It is an arithmetic number, because the mean of its divisors is an integer number (3073018311).

Almost surely, 2^6146036621 is an apocalyptic number.

It is an amenable number.

6146036621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6146036621 is an equidigital number, since it uses as much as digits as its factorization.

6146036621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6146036621 is about 78396.6620526665. The cubic root of 6146036621 is about 1831.7451397792.

The spelling of 6146036621 in words is "six billion, one hundred forty-six million, thirty-six thousand, six hundred twenty-one".