7840034226551 has 2 divisors, whose sum is σ = 7840034226552. Its totient is φ = 7840034226550.

The previous prime is 7840034226529. The next prime is 7840034226569. The reversal of 7840034226551 is 1556224300487.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7840034226551 - 2⁴² = 3441987715447 is a prime.

It is a super-2 number, since 2×7840034226551² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7840034226496 and 7840034226505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7840034226571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3920017113275 + 3920017113276.

It is an arithmetic number, because the mean of its divisors is an integer number (3920017113276).

Almost surely, 2^{7840034226551} is an apocalyptic number.

7840034226551 is a deficient number, since it is larger than the sum of its proper divisors (1).

7840034226551 is an equidigital number, since it uses as much as digits as its factorization.

7840034226551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 7840034226551 in words is "seven trillion, eight hundred forty billion, thirty-four million, two hundred twenty-six thousand, five hundred fifty-one".