719143946 has 8 divisors (see below), whose sum is σ = 1081291680. Its totient is φ = 358713388.

The previous prime is 719143933. The next prime is 719143961. The reversal of 719143946 is 649341917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 719143897 and 719143906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428246 + ... + 429921.

It is an arithmetic number, because the mean of its divisors is an integer number (135161460).

Almost surely, 2^719143946 is an apocalyptic number.

719143946 is a deficient number, since it is larger than the sum of its proper divisors (362147734).

719143946 is a wasteful number, since it uses less digits than its factorization.

719143946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858588.

The product of its digits is 163296, while the sum is 44.

The square root of 719143946 is about 26816.8593612302. The cubic root of 719143946 is about 895.9255932113.

The spelling of 719143946 in words is "seven hundred nineteen million, one hundred forty-three thousand, nine hundred forty-six".