719868978698 has 16 divisors (see below), whose sum is σ = 1116696215040. Its totient is φ = 347679831600.

The previous prime is 719868978683. The next prime is 719868978761. The reversal of 719868978698 is 896879868917.

It is a super-2 number, since 2×719868978698² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10697318 + ... + 10764401.

It is an arithmetic number, because the mean of its divisors is an integer number (69793513440).

Almost surely, 2^719868978698 is an apocalyptic number.

719868978698 is a deficient number, since it is larger than the sum of its proper divisors (396827236342).

719868978698 is a wasteful number, since it uses less digits than its factorization.

719868978698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21462293.

The product of its digits is 5267275776, while the sum is 86.

The spelling of 719868978698 in words is "seven hundred nineteen billion, eight hundred sixty-eight million, nine hundred seventy-eight thousand, six hundred ninety-eight".