3954616663 has 4 divisors (see below), whose sum is σ = 4008789568. Its totient is φ = 3900443760.

The previous prime is 3954616657. The next prime is 3954616667. The reversal of 3954616663 is 3666164593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3954616663 - 2⁹ = 3954616151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954616667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27086343 + ... + 27086488.

It is an arithmetic number, because the mean of its divisors is an integer number (1002197392).

Almost surely, 2^3954616663 is an apocalyptic number.

3954616663 is a deficient number, since it is larger than the sum of its proper divisors (54172905).

3954616663 is an equidigital number, since it uses as much as digits as its factorization.

3954616663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54172904.

The product of its digits is 2099520, while the sum is 49.

The square root of 3954616663 is about 62885.7429231777. The cubic root of 3954616663 is about 1581.3747399227.

The spelling of 3954616663 in words is "three billion, nine hundred fifty-four million, six hundred sixteen thousand, six hundred sixty-three".