7870142424656 has 10 divisors (see below), whose sum is σ = 15248400947802. Its totient is φ = 3935071212320.

The previous prime is 7870142424643. The next prime is 7870142424679. The reversal of 7870142424656 is 6564242410787.

It can be written as a sum of positive squares in only one way, i.e., 4052104584256 + 3818037840400 = 2012984^2 + 1953980^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245941950755 + ... + 245941950786.

Almost surely, 2^{7870142424656} is an apocalyptic number.

It is an amenable number.

7870142424656 is a deficient number, since it is larger than the sum of its proper divisors (7378258523146).

7870142424656 is a wasteful number, since it uses less digits than its factorization.

7870142424656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491883901549 (or 491883901543 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 7870142424656 in words is "seven trillion, eight hundred seventy billion, one hundred forty-two million, four hundred twenty-four thousand, six hundred fifty-six".