3625069663349 has 2 divisors, whose sum is σ = 3625069663350. Its totient is φ = 3625069663348.

The previous prime is 3625069663261. The next prime is 3625069663351. The reversal of 3625069663349 is 9433669605263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3531366331249 + 93703332100 = 1879193^2 + 306110^2 .

It is an emirp because it is prime and its reverse (9433669605263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3625069663349 - 2⁸ = 3625069663093 is a prime.

It is a super-2 number, since 2×3625069663349² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 3625069663351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3625069663291 and 3625069663300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3625069663399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812534831674 + 1812534831675.

It is an arithmetic number, because the mean of its divisors is an integer number (1812534831675).

Almost surely, 2^{3625069663349} is an apocalyptic number.

It is an amenable number.

3625069663349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625069663349 is an equidigital number, since it uses as much as digits as its factorization.

3625069663349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113374080, while the sum is 62.

The spelling of 3625069663349 in words is "three trillion, six hundred twenty-five billion, sixty-nine million, six hundred sixty-three thousand, three hundred forty-nine".