3478911563 has 2 divisors, whose sum is σ = 3478911564. Its totient is φ = 3478911562.

The previous prime is 3478911559. The next prime is 3478911613. The reversal of 3478911563 is 3651198743.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3478911563 - 2² = 3478911559 is a prime.

It is not a weakly prime, because it can be changed into another prime (3478911503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739455781 + 1739455782.

It is an arithmetic number, because the mean of its divisors is an integer number (1739455782).

Almost surely, 2^3478911563 is an apocalyptic number.

3478911563 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478911563 is an equidigital number, since it uses as much as digits as its factorization.

3478911563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 3478911563 is about 58982.2987259737. The cubic root of 3478911563 is about 1515.2389640013.

The spelling of 3478911563 in words is "three billion, four hundred seventy-eight million, nine hundred eleven thousand, five hundred sixty-three".