7455249788069 has 2 divisors, whose sum is σ = 7455249788070. Its totient is φ = 7455249788068.

The previous prime is 7455249788053. The next prime is 7455249788093. The reversal of 7455249788069 is 9608879425547.

7455249788069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6525153495844 + 930096292225 = 2554438^2 + 964415^2 .

It is a cyclic number.

It is not a de Polignac number, because 7455249788069 - 2⁴ = 7455249788053 is a prime.

It is a super-2 number, since 2×7455249788069² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7455249787987 and 7455249788005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7455249688069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3727624894034 + 3727624894035.

It is an arithmetic number, because the mean of its divisors is an integer number (3727624894035).

Almost surely, 2^{7455249788069} is an apocalyptic number.

It is an amenable number.

7455249788069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7455249788069 is an equidigital number, since it uses as much as digits as its factorization.

7455249788069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1219276800, while the sum is 74.

The spelling of 7455249788069 in words is "seven trillion, four hundred fifty-five billion, two hundred forty-nine million, seven hundred eighty-eight thousand, sixty-nine".