7719206495716 has 9 divisors (see below), whose sum is σ = 13508621091721. Its totient is φ = 3859600469512.

The previous prime is 7719206495677. The next prime is 7719206495753. The reversal of 7719206495716 is 6175946029177.

The square root of 7719206495716 is 2778346.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7634003220900 + 85203274816 = 2762970^2 + 291896^2 .

It is a super-2 number, since 2×7719206495716² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4862106 + ... + 6251278.

Almost surely, 2^{7719206495716} is an apocalyptic number.

7719206495716 is the 2778346-th square number.

It is an amenable number.

7719206495716 is a deficient number, since it is larger than the sum of its proper divisors (5789414596005).

7719206495716 is an frugal number, since it uses more digits than its factorization.

7719206495716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778350 (or 1389175 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 64.

Multiplying 7719206495716 by its sum of digits (64), we get a square (494029215725824 = 22226768²).

The spelling of 7719206495716 in words is "seven trillion, seven hundred nineteen billion, two hundred six million, four hundred ninety-five thousand, seven hundred sixteen".