7240255346563 has 2 divisors, whose sum is σ = 7240255346564. Its totient is φ = 7240255346562.

The previous prime is 7240255346509. The next prime is 7240255346591. The reversal of 7240255346563 is 3656435520427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7240255346563 - 2¹⁷ = 7240255215491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7240255346563.

It is not a weakly prime, because it can be changed into another prime (7240255346503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620127673281 + 3620127673282.

It is an arithmetic number, because the mean of its divisors is an integer number (3620127673282).

Almost surely, 2^{7240255346563} is an apocalyptic number.

7240255346563 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240255346563 is an equidigital number, since it uses as much as digits as its factorization.

7240255346563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 52.

The spelling of 7240255346563 in words is "seven trillion, two hundred forty billion, two hundred fifty-five million, three hundred forty-six thousand, five hundred sixty-three".