3625838969 has 2 divisors, whose sum is σ = 3625838970. Its totient is φ = 3625838968.

The previous prime is 3625838959. The next prime is 3625839001. The reversal of 3625838969 is 9698385263.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3625484944 + 354025 = 60212^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 3625838969 - 2¹² = 3625834873 is a prime.

It is a super-2 number, since 2×3625838969² = 26293416458237965922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3625838959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812919484 + 1812919485.

It is an arithmetic number, because the mean of its divisors is an integer number (1812919485).

Almost surely, 2^3625838969 is an apocalyptic number.

It is an amenable number.

3625838969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3625838969 is an equidigital number, since it uses as much as digits as its factorization.

3625838969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 59.

The square root of 3625838969 is about 60214.9397492018. The cubic root of 3625838969 is about 1536.2769130613.

The spelling of 3625838969 in words is "three billion, six hundred twenty-five million, eight hundred thirty-eight thousand, nine hundred sixty-nine".