7264678641973 has 2 divisors, whose sum is σ = 7264678641974. Its totient is φ = 7264678641972.

The previous prime is 7264678641953. The next prime is 7264678642009. The reversal of 7264678641973 is 3791468764627.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4873842151684 + 2390836490289 = 2207678^2 + 1546233^2 .

It is an emirp because it is prime and its reverse (3791468764627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7264678641973 - 2¹³ = 7264678633781 is a prime.

It is a super-2 number, since 2×7264678641973² (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 (7264678641923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3632339320986 + 3632339320987.

It is an arithmetic number, because the mean of its divisors is an integer number (3632339320987).

Almost surely, 2^{7264678641973} is an apocalyptic number.

It is an amenable number.

7264678641973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7264678641973 is an equidigital number, since it uses as much as digits as its factorization.

7264678641973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512096256, while the sum is 70.

The spelling of 7264678641973 in words is "seven trillion, two hundred sixty-four billion, six hundred seventy-eight million, six hundred forty-one thousand, nine hundred seventy-three".