3964945297 has 2 divisors, whose sum is σ = 3964945298. Its totient is φ = 3964945296.

The previous prime is 3964945277. The next prime is 3964945319. The reversal of 3964945297 is 7925494693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2578202176 + 1386743121 = 50776^2 + 37239^2 .

It is an emirp because it is prime and its reverse (7925494693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3964945297 is a prime.

It is not a weakly prime, because it can be changed into another prime (3964945277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982472648 + 1982472649.

It is an arithmetic number, because the mean of its divisors is an integer number (1982472649).

Almost surely, 2^3964945297 is an apocalyptic number.

It is an amenable number.

3964945297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964945297 is an equidigital number, since it uses as much as digits as its factorization.

3964945297 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 3964945297 is about 62967.8115944964. The cubic root of 3964945297 is about 1582.7502834158.

The spelling of 3964945297 in words is "three billion, nine hundred sixty-four million, nine hundred forty-five thousand, two hundred ninety-seven".