766454551073 has 2 divisors, whose sum is σ = 766454551074. Its totient is φ = 766454551072.

The previous prime is 766454551001. The next prime is 766454551117. The reversal of 766454551073 is 370155454667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672099913489 + 94354637584 = 819817^2 + 307172^2 .

It is a cyclic number.

It is not a de Polignac number, because 766454551073 - 2⁸ = 766454550817 is a prime.

It is not a weakly prime, because it can be changed into another prime (766454511073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383227275536 + 383227275537.

It is an arithmetic number, because the mean of its divisors is an integer number (383227275537).

Almost surely, 2^766454551073 is an apocalyptic number.

It is an amenable number.

766454551073 is a deficient number, since it is larger than the sum of its proper divisors (1).

766454551073 is an equidigital number, since it uses as much as digits as its factorization.

766454551073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 766454551073 in words is "seven hundred sixty-six billion, four hundred fifty-four million, five hundred fifty-one thousand, seventy-three".