3954649297 has 2 divisors, whose sum is σ = 3954649298. Its totient is φ = 3954649296.

The previous prime is 3954649289. The next prime is 3954649373. The reversal of 3954649297 is 7929464593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3934300176 + 20349121 = 62724^2 + 4511^2 .

It is an emirp because it is prime and its reverse (7929464593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3954649297 - 2³ = 3954649289 is a prime.

It is not a weakly prime, because it can be changed into another prime (3954649247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977324648 + 1977324649.

It is an arithmetic number, because the mean of its divisors is an integer number (1977324649).

Almost surely, 2^3954649297 is an apocalyptic number.

It is an amenable number.

3954649297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954649297 is an equidigital number, since it uses as much as digits as its factorization.

3954649297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 58.

The square root of 3954649297 is about 62886.0023932194. The cubic root of 3954649297 is about 1581.3790898126.

The spelling of 3954649297 in words is "three billion, nine hundred fifty-four million, six hundred forty-nine thousand, two hundred ninety-seven".