7628415420529 has 2 divisors, whose sum is σ = 7628415420530. Its totient is φ = 7628415420528.

The previous prime is 7628415420427. The next prime is 7628415420547. The reversal of 7628415420529 is 9250245148267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7620095244304 + 8320176225 = 2760452^2 + 91215^2 .

It is a cyclic number.

It is not a de Polignac number, because 7628415420529 - 2¹⁷ = 7628415289457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7628415420529.

It is not a weakly prime, because it can be changed into another prime (7628415420599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814207710264 + 3814207710265.

It is an arithmetic number, because the mean of its divisors is an integer number (3814207710265).

Almost surely, 2^{7628415420529} is an apocalyptic number.

It is an amenable number.

7628415420529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7628415420529 is an equidigital number, since it uses as much as digits as its factorization.

7628415420529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 7628415420529 in words is "seven trillion, six hundred twenty-eight billion, four hundred fifteen million, four hundred twenty thousand, five hundred twenty-nine".