7639132639273 has 2 divisors, whose sum is σ = 7639132639274. Its totient is φ = 7639132639272.

The previous prime is 7639132639249. The next prime is 7639132639291. The reversal of 7639132639273 is 3729362319367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6763396026409 + 875736612864 = 2600653^2 + 935808^2 .

It is an emirp because it is prime and its reverse (3729362319367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7639132639273 - 2¹⁷ = 7639132508201 is a prime.

It is not a weakly prime, because it can be changed into another prime (7639132639223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819566319636 + 3819566319637.

It is an arithmetic number, because the mean of its divisors is an integer number (3819566319637).

Almost surely, 2^{7639132639273} is an apocalyptic number.

It is an amenable number.

7639132639273 is a deficient number, since it is larger than the sum of its proper divisors (1).

7639132639273 is an equidigital number, since it uses as much as digits as its factorization.

7639132639273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46294416, while the sum is 61.

The spelling of 7639132639273 in words is "seven trillion, six hundred thirty-nine billion, one hundred thirty-two million, six hundred thirty-nine thousand, two hundred seventy-three".