3946464682451 has 2 divisors, whose sum is σ = 3946464682452. Its totient is φ = 3946464682450.

The previous prime is 3946464682439. The next prime is 3946464682553. The reversal of 3946464682451 is 1542864646493.

It is a happy number.

3946464682451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3946464682451 - 2¹⁸ = 3946464420307 is a prime.

It is not a weakly prime, because it can be changed into another prime (3946464682411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973232341225 + 1973232341226.

It is an arithmetic number, because the mean of its divisors is an integer number (1973232341226).

Almost surely, 2^{3946464682451} is an apocalyptic number.

3946464682451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946464682451 is an equidigital number, since it uses as much as digits as its factorization.

3946464682451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 62.

The spelling of 3946464682451 in words is "three trillion, nine hundred forty-six billion, four hundred sixty-four million, six hundred eighty-two thousand, four hundred fifty-one".