3919042430756 has 24 divisors (see below), whose sum is σ = 7095093552120. Its totient is φ = 1891878089472.

The previous prime is 3919042430741. The next prime is 3919042430773. The reversal of 3919042430756 is 6570342409193.

It can be written as a sum of positive squares in 4 ways, for example, as 3048460128256 + 870582302500 = 1745984^2 + 933050^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3919042430698 and 3919042430707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407520 + ... + 3692456.

It is an arithmetic number, because the mean of its divisors is an integer number (295628898005).

Almost surely, 2^{3919042430756} is an apocalyptic number.

It is an amenable number.

3919042430756 is a deficient number, since it is larger than the sum of its proper divisors (3176051121364).

3919042430756 is a wasteful number, since it uses less digits than its factorization.

3919042430756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311263 (or 1311261 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 3919042430756 in words is "three trillion, nine hundred nineteen billion, forty-two million, four hundred thirty thousand, seven hundred fifty-six".