2664044342251 has 2 divisors, whose sum is σ = 2664044342252. Its totient is φ = 2664044342250.

The previous prime is 2664044342221. The next prime is 2664044342269. The reversal of 2664044342251 is 1522434404662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2664044342251 - 2⁷ = 2664044342123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2664044342198 and 2664044342207.

It is not a weakly prime, because it can be changed into another prime (2664044342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332022171125 + 1332022171126.

It is an arithmetic number, because the mean of its divisors is an integer number (1332022171126).

Almost surely, 2^{2664044342251} is an apocalyptic number.

2664044342251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664044342251 is an equidigital number, since it uses as much as digits as its factorization.

2664044342251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 2664044342251 in words is "two trillion, six hundred sixty-four billion, forty-four million, three hundred forty-two thousand, two hundred fifty-one".