3969345407 has 2 divisors, whose sum is σ = 3969345408. Its totient is φ = 3969345406.

The previous prime is 3969345329. The next prime is 3969345511. The reversal of 3969345407 is 7045439693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3969345407 - 2⁸ = 3969345151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3969347407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984672703 + 1984672704.

It is an arithmetic number, because the mean of its divisors is an integer number (1984672704).

Almost surely, 2^3969345407 is an apocalyptic number.

3969345407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3969345407 is an equidigital number, since it uses as much as digits as its factorization.

3969345407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 3969345407 is about 63002.7412657576. The cubic root of 3969345407 is about 1583.3355542671.

The spelling of 3969345407 in words is "three billion, nine hundred sixty-nine million, three hundred forty-five thousand, four hundred seven".