3400985963 has 2 divisors, whose sum is σ = 3400985964. Its totient is φ = 3400985962.

The previous prime is 3400985947. The next prime is 3400985969. The reversal of 3400985963 is 3695890043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3400985963 - 2⁴ = 3400985947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3400985969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700492981 + 1700492982.

It is an arithmetic number, because the mean of its divisors is an integer number (1700492982).

Almost surely, 2^3400985963 is an apocalyptic number.

3400985963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400985963 is an equidigital number, since it uses as much as digits as its factorization.

3400985963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3400985963 is about 58317.9728985842. The cubic root of 3400985963 is about 1503.8399338468.

The spelling of 3400985963 in words is "three billion, four hundred million, nine hundred eighty-five thousand, nine hundred sixty-three".