143319801964 has 12 divisors (see below), whose sum is σ = 253244699344. Its totient is φ = 70964173584.

The previous prime is 143319801959. The next prime is 143319801991. The reversal of 143319801964 is 469108913341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173931387 + ... + 173932210.

Almost surely, 2^143319801964 is an apocalyptic number.

It is an amenable number.

143319801964 is a deficient number, since it is larger than the sum of its proper divisors (109924897380).

143319801964 is a wasteful number, since it uses less digits than its factorization.

143319801964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347863704 (or 347863702 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 143319801964 in words is "one hundred forty-three billion, three hundred nineteen million, eight hundred one thousand, nine hundred sixty-four".