7819745012 has 24 divisors (see below), whose sum is σ = 13727802816. Its totient is φ = 3897534528.

The previous prime is 7819744997. The next prime is 7819745053. The reversal of 7819745012 is 2105479187.

It is a super-2 number, since 2×7819745012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2880968 + ... + 2883680.

It is an arithmetic number, because the mean of its divisors is an integer number (571991784).

Almost surely, 2^7819745012 is an apocalyptic number.

It is an amenable number.

7819745012 is a deficient number, since it is larger than the sum of its proper divisors (5908057804).

7819745012 is a wasteful number, since it uses less digits than its factorization.

7819745012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 7819745012 is about 88429.3221279005. The cubic root of 7819745012 is about 1984.8644982342.

The spelling of 7819745012 in words is "seven billion, eight hundred nineteen million, seven hundred forty-five thousand, twelve".