3953436497 has 2 divisors, whose sum is σ = 3953436498. Its totient is φ = 3953436496.

The previous prime is 3953436491. The next prime is 3953436499. The reversal of 3953436497 is 7946343593.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3930788416 + 22648081 = 62696^2 + 4759^2 .

It is a cyclic number.

It is not a de Polignac number, because 3953436497 - 2⁶ = 3953436433 is a prime.

Together with 3953436499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3953436491) 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, 1976718248 + 1976718249.

It is an arithmetic number, because the mean of its divisors is an integer number (1976718249).

Almost surely, 2^3953436497 is an apocalyptic number.

It is an amenable number.

3953436497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3953436497 is an equidigital number, since it uses as much as digits as its factorization.

3953436497 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 3953436497 is about 62876.3588083788. The cubic root of 3953436497 is about 1581.2174157502.

The spelling of 3953436497 in words is "three billion, nine hundred fifty-three million, four hundred thirty-six thousand, four hundred ninety-seven".