769908838453 has 2 divisors, whose sum is σ = 769908838454. Its totient is φ = 769908838452.

The previous prime is 769908838393. The next prime is 769908838459. The reversal of 769908838453 is 354838809967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661330021284 + 108578817169 = 813222^2 + 329513^2 .

It is an emirp because it is prime and its reverse (354838809967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769908838453 - 2²⁹ = 769371967541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769908838459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384954419226 + 384954419227.

It is an arithmetic number, because the mean of its divisors is an integer number (384954419227).

Almost surely, 2^769908838453 is an apocalyptic number.

It is an amenable number.

769908838453 is a deficient number, since it is larger than the sum of its proper divisors (1).

769908838453 is an equidigital number, since it uses as much as digits as its factorization.

769908838453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 313528320, while the sum is 70.

The spelling of 769908838453 in words is "seven hundred sixty-nine billion, nine hundred eight million, eight hundred thirty-eight thousand, four hundred fifty-three".