7245577952189 has 2 divisors, whose sum is σ = 7245577952190. Its totient is φ = 7245577952188.

The previous prime is 7245577952159. The next prime is 7245577952201. The reversal of 7245577952189 is 9812597755427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3672079215289 + 3573498736900 = 1916267^2 + 1890370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7245577952189 is a prime.

It is a super-2 number, since 2×7245577952189² (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 (7245577952149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3622788976094 + 3622788976095.

It is an arithmetic number, because the mean of its divisors is an integer number (3622788976095).

Almost surely, 2^{7245577952189} is an apocalyptic number.

It is an amenable number.

7245577952189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7245577952189 is an equidigital number, since it uses as much as digits as its factorization.

7245577952189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528000, while the sum is 71.

The spelling of 7245577952189 in words is "seven trillion, two hundred forty-five billion, five hundred seventy-seven million, nine hundred fifty-two thousand, one hundred eighty-nine".