7426672321853 has 2 divisors, whose sum is σ = 7426672321854. Its totient is φ = 7426672321852.

The previous prime is 7426672321843. The next prime is 7426672321879. The reversal of 7426672321853 is 3581232766247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7392977314009 + 33695007844 = 2719003^2 + 183562^2 .

It is a cyclic number.

It is not a de Polignac number, because 7426672321853 - 2¹⁴ = 7426672305469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7426672321843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713336160926 + 3713336160927.

It is an arithmetic number, because the mean of its divisors is an integer number (3713336160927).

Almost surely, 2^{7426672321853} is an apocalyptic number.

It is an amenable number.

7426672321853 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426672321853 is an equidigital number, since it uses as much as digits as its factorization.

7426672321853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 56.

The spelling of 7426672321853 in words is "seven trillion, four hundred twenty-six billion, six hundred seventy-two million, three hundred twenty-one thousand, eight hundred fifty-three".