3654349397 has 2 divisors, whose sum is σ = 3654349398. Its totient is φ = 3654349396.

The previous prime is 3654349379. The next prime is 3654349441. The reversal of 3654349397 is 7939434563.

It is a happy number.

Together with previous prime (3654349379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2925295396 + 729054001 = 54086^2 + 27001^2 .

It is a cyclic number.

It is not a de Polignac number, because 3654349397 - 2²⁰ = 3653300821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654349327) 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, 1827174698 + 1827174699.

It is an arithmetic number, because the mean of its divisors is an integer number (1827174699).

Almost surely, 2^3654349397 is an apocalyptic number.

It is an amenable number.

3654349397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654349397 is an equidigital number, since it uses as much as digits as its factorization.

3654349397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 53.

The square root of 3654349397 is about 60451.2150167389. The cubic root of 3654349397 is about 1540.2930511348.

The spelling of 3654349397 in words is "three billion, six hundred fifty-four million, three hundred forty-nine thousand, three hundred ninety-seven".