3219964943 has 16 divisors (see below), whose sum is σ = 3547437600. Its totient is φ = 2921780160.

The previous prime is 3219964931. The next prime is 3219964961. The reversal of 3219964943 is 3494699123.

It is not a de Polignac number, because 3219964943 - 2¹⁰ = 3219963919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3219964891 and 3219964900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3219964973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117203 + ... + 142043.

It is an arithmetic number, because the mean of its divisors is an integer number (221714850).

Almost surely, 2^3219964943 is an apocalyptic number.

3219964943 is a deficient number, since it is larger than the sum of its proper divisors (327472657).

3219964943 is an equidigital number, since it uses as much as digits as its factorization.

3219964943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24939 (or 24913 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 50.

The square root of 3219964943 is about 56744.7349363798. The cubic root of 3219964943 is about 1476.6708929238.

The spelling of 3219964943 in words is "three billion, two hundred nineteen million, nine hundred sixty-four thousand, nine hundred forty-three".