7278513968941 has 2 divisors, whose sum is σ = 7278513968942. Its totient is φ = 7278513968940.

The previous prime is 7278513968881. The next prime is 7278513968969. The reversal of 7278513968941 is 1498693158727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6851588942916 + 426925026025 = 2617554^2 + 653395^2 .

It is a cyclic number.

It is not a de Polignac number, because 7278513968941 - 2³¹ = 7276366485293 is a prime.

It is a super-2 number, since 2×7278513968941² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7278513968641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3639256984470 + 3639256984471.

It is an arithmetic number, because the mean of its divisors is an integer number (3639256984471).

Almost surely, 2^{7278513968941} is an apocalyptic number.

It is an amenable number.

7278513968941 is a deficient number, since it is larger than the sum of its proper divisors (1).

7278513968941 is an equidigital number, since it uses as much as digits as its factorization.

7278513968941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 70.

The spelling of 7278513968941 in words is "seven trillion, two hundred seventy-eight billion, five hundred thirteen million, nine hundred sixty-eight thousand, nine hundred forty-one".