3697626397 has 2 divisors, whose sum is σ = 3697626398. Its totient is φ = 3697626396.

The previous prime is 3697626337. The next prime is 3697626403. The reversal of 3697626397 is 7936267963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3477578841 + 220047556 = 58971^2 + 14834^2 .

It is a cyclic number.

It is not a de Polignac number, because 3697626397 - 2⁷ = 3697626269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3697626337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848813198 + 1848813199.

It is an arithmetic number, because the mean of its divisors is an integer number (1848813199).

Almost surely, 2^3697626397 is an apocalyptic number.

It is an amenable number.

3697626397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3697626397 is an equidigital number, since it uses as much as digits as its factorization.

3697626397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 58.

The square root of 3697626397 is about 60808.1112763750. Note that the first 3 decimals coincide. The cubic root of 3697626397 is about 1546.3495638172.

The spelling of 3697626397 in words is "three billion, six hundred ninety-seven million, six hundred twenty-six thousand, three hundred ninety-seven".