6651086260919 has 2 divisors, whose sum is σ = 6651086260920. Its totient is φ = 6651086260918.

The previous prime is 6651086260843. The next prime is 6651086260933. The reversal of 6651086260919 is 9190626801566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6651086260919 - 2¹² = 6651086256823 is a prime.

It is a super-2 number, since 2×6651086260919² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6651086265919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325543130459 + 3325543130460.

It is an arithmetic number, because the mean of its divisors is an integer number (3325543130460).

Almost surely, 2^{6651086260919} is an apocalyptic number.

6651086260919 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651086260919 is an equidigital number, since it uses as much as digits as its factorization.

6651086260919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 6651086260919 in words is "six trillion, six hundred fifty-one billion, eighty-six million, two hundred sixty thousand, nine hundred nineteen".