2979657752643 has 36 divisors (see below), whose sum is σ = 5094694914400. Its totient is φ = 1666941392160.

The previous prime is 2979657752627. The next prime is 2979657752647. The reversal of 2979657752643 is 3462577569792.

It is a happy number.

2979657752643 is a `hidden beast` number, since 2 + 9 + 7 + 9 + 6 + 57 + 7 + 526 + 43 = 666.

It is not a de Polignac number, because 2979657752643 - 2⁴ = 2979657752627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2979657752647) by changing a digit.

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 in 35 ways as a sum of consecutive naturals, for example, 105222043 + ... + 105250356.

Almost surely, 2^{2979657752643} is an apocalyptic number.

2979657752643 is a deficient number, since it is larger than the sum of its proper divisors (2115037161757).

2979657752643 is a wasteful number, since it uses less digits than its factorization.

2979657752643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210472440 (or 210472426 counting only the distinct ones).

The product of its digits is 1200225600, while the sum is 72.

The spelling of 2979657752643 in words is "two trillion, nine hundred seventy-nine billion, six hundred fifty-seven million, seven hundred fifty-two thousand, six hundred forty-three".