1025769430349 has 2 divisors, whose sum is σ = 1025769430350. Its totient is φ = 1025769430348.

The previous prime is 1025769430321. The next prime is 1025769430363. The reversal of 1025769430349 is 9430349675201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 818454949225 + 207314481124 = 904685^2 + 455318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025769430349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025769430349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025769430379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512884715174 + 512884715175.

It is an arithmetic number, because the mean of its divisors is an integer number (512884715175).

Almost surely, 2^{1025769430349} is an apocalyptic number.

It is an amenable number.

1025769430349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025769430349 is an equidigital number, since it uses as much as digits as its factorization.

1025769430349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 1025769430349 in words is "one trillion, twenty-five billion, seven hundred sixty-nine million, four hundred thirty thousand, three hundred forty-nine".