146821682747 has 4 divisors (see below), whose sum is σ = 146992605240. Its totient is φ = 146650760256.

The previous prime is 146821682701. The next prime is 146821682759. The reversal of 146821682747 is 747286128641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146821682747 - 2¹² = 146821678651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146821682692 and 146821682701.

It is not an unprimeable number, because it can be changed into a prime (146821682767) 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 3 ways as a sum of consecutive naturals, for example, 85459958 + ... + 85461675.

It is an arithmetic number, because the mean of its divisors is an integer number (36748151310).

Almost surely, 2^146821682747 is an apocalyptic number.

146821682747 is a deficient number, since it is larger than the sum of its proper divisors (170922493).

146821682747 is an equidigital number, since it uses as much as digits as its factorization.

146821682747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170922492.

The product of its digits is 7225344, while the sum is 56.

The spelling of 146821682747 in words is "one hundred forty-six billion, eight hundred twenty-one million, six hundred eighty-two thousand, seven hundred forty-seven".