782362020649 has 8 divisors (see below), whose sum is σ = 876553026048. Its totient is φ = 692015546160.

The previous prime is 782362020637. The next prime is 782362020659. The reversal of 782362020649 is 946020263287.

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

It is a cyclic number.

It is not a de Polignac number, because 782362020649 - 2¹³ = 782362012457 is a prime.

It is a super-2 number, since 2×782362020649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (782362020659) 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 7 ways as a sum of consecutive naturals, for example, 961132297 + ... + 961133110.

It is an arithmetic number, because the mean of its divisors is an integer number (109569128256).

Almost surely, 2^782362020649 is an apocalyptic number.

It is an amenable number.

782362020649 is a deficient number, since it is larger than the sum of its proper divisors (94191005399).

782362020649 is a wasteful number, since it uses less digits than its factorization.

782362020649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922265455.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 782362020649 in words is "seven hundred eighty-two billion, three hundred sixty-two million, twenty thousand, six hundred forty-nine".