7617538272989 has 2 divisors, whose sum is σ = 7617538272990. Its totient is φ = 7617538272988.

The previous prime is 7617538272857. The next prime is 7617538273013. The reversal of 7617538272989 is 9892728357167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6634797156100 + 982741116889 = 2575810^2 + 991333^2 .

It is a cyclic number.

It is not a de Polignac number, because 7617538272989 - 2¹⁶ = 7617538207453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7617538242989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3808769136494 + 3808769136495.

It is an arithmetic number, because the mean of its divisors is an integer number (3808769136495).

Almost surely, 2^{7617538272989} is an apocalyptic number.

It is an amenable number.

7617538272989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7617538272989 is an equidigital number, since it uses as much as digits as its factorization.

7617538272989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640120320, while the sum is 74.

The spelling of 7617538272989 in words is "seven trillion, six hundred seventeen billion, five hundred thirty-eight million, two hundred seventy-two thousand, nine hundred eighty-nine".