3950509909603 has 16 divisors (see below), whose sum is σ = 4190936821344. Its totient is φ = 3710979993600.

The previous prime is 3950509909579. The next prime is 3950509909613. The reversal of 3950509909603 is 3069099050593.

It is not a de Polignac number, because 3950509909603 - 2¹⁷ = 3950509778531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3950509909613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41095851 + ... + 41191867.

It is an arithmetic number, because the mean of its divisors is an integer number (261933551334).

Almost surely, 2^{3950509909603} is an apocalyptic number.

3950509909603 is a deficient number, since it is larger than the sum of its proper divisors (240426911741).

3950509909603 is a wasteful number, since it uses less digits than its factorization.

3950509909603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100662.

The product of its (nonzero) digits is 8857350, while the sum is 58.

It can be divided in two parts, 395050990 and 9603, that added together give a palindrome (395060593).

The spelling of 3950509909603 in words is "three trillion, nine hundred fifty billion, five hundred nine million, nine hundred nine thousand, six hundred three".