3943252654 has 16 divisors (see below), whose sum is σ = 6609977136. Its totient is φ = 1748670400.

The previous prime is 3943252619. The next prime is 3943252657. The reversal of 3943252654 is 4562523493.

It is a self number, because there is not a number n which added to its sum of digits gives 3943252654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943252657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184937 + ... + 2186740.

It is an arithmetic number, because the mean of its divisors is an integer number (413123571).

Almost surely, 2^3943252654 is an apocalyptic number.

3943252654 is a deficient number, since it is larger than the sum of its proper divisors (2666724482).

3943252654 is a wasteful number, since it uses less digits than its factorization.

3943252654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371731.

The product of its digits is 777600, while the sum is 43.

The square root of 3943252654 is about 62795.3235042228. The cubic root of 3943252654 is about 1579.8585375137.

The spelling of 3943252654 in words is "three billion, nine hundred forty-three million, two hundred fifty-two thousand, six hundred fifty-four".