3945792729246 has 8 divisors (see below), whose sum is σ = 7891585458504. Its totient is φ = 1315264243080.

The previous prime is 3945792729181. The next prime is 3945792729251. The reversal of 3945792729246 is 6429272975493.

It is a sphenic number, since it is the product of 3 distinct primes.

3945792729246 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328816060765 + ... + 328816060776.

It is an arithmetic number, because the mean of its divisors is an integer number (986448182313).

Almost surely, 2^{3945792729246} is an apocalyptic number.

3945792729246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3945792729246 is a wasteful number, since it uses less digits than its factorization.

3945792729246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657632121546.

The product of its digits is 411505920, while the sum is 69.

The spelling of 3945792729246 in words is "three trillion, nine hundred forty-five billion, seven hundred ninety-two million, seven hundred twenty-nine thousand, two hundred forty-six".