6499123627 has 2 divisors, whose sum is σ = 6499123628. Its totient is φ = 6499123626.

The previous prime is 6499123621. The next prime is 6499123637. The reversal of 6499123627 is 7263219946.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6499123627 is a prime.

It is not a weakly prime, because it can be changed into another prime (6499123621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3249561813 + 3249561814.

It is an arithmetic number, because the mean of its divisors is an integer number (3249561814).

Almost surely, 2^6499123627 is an apocalyptic number.

6499123627 is a deficient number, since it is larger than the sum of its proper divisors (1).

6499123627 is an equidigital number, since it uses as much as digits as its factorization.

6499123627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 6499123627 is about 80617.1422651535. The cubic root of 6499123627 is about 1866.1717009978.

The spelling of 6499123627 in words is "six billion, four hundred ninety-nine million, one hundred twenty-three thousand, six hundred twenty-seven".