3913565043 has 4 divisors (see below), whose sum is σ = 5218086728. Its totient is φ = 2609043360.

The previous prime is 3913565041. The next prime is 3913565057. The reversal of 3913565043 is 3405653193.

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

It is not a de Polignac number, because 3913565043 - 2¹ = 3913565041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3913564992 and 3913565010.

It is not an unprimeable number, because it can be changed into a prime (3913565041) 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, 652260838 + ... + 652260843.

It is an arithmetic number, because the mean of its divisors is an integer number (1304521682).

Almost surely, 2^3913565043 is an apocalyptic number.

3913565043 is a deficient number, since it is larger than the sum of its proper divisors (1304521685).

3913565043 is a wasteful number, since it uses less digits than its factorization.

3913565043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304521684.

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 3913565043 is about 62558.4929725773. The cubic root of 3913565043 is about 1575.8837795276.

The spelling of 3913565043 in words is "three billion, nine hundred thirteen million, five hundred sixty-five thousand, forty-three".