648144783362 has 8 divisors (see below), whose sum is σ = 979638680592. Its totient is φ = 321598556500.

The previous prime is 648144783353. The next prime is 648144783367. The reversal of 648144783362 is 263387441846.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 648144783298 and 648144783307.

It is not an unprimeable number, because it can be changed into a prime (648144783367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236917264 + ... + 1236917787.

It is an arithmetic number, because the mean of its divisors is an integer number (122454835074).

Almost surely, 2^648144783362 is an apocalyptic number.

648144783362 is a deficient number, since it is larger than the sum of its proper divisors (331493897230).

648144783362 is a wasteful number, since it uses less digits than its factorization.

648144783362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473835184.

The product of its digits is 18579456, while the sum is 56.

The spelling of 648144783362 in words is "six hundred forty-eight billion, one hundred forty-four million, seven hundred eighty-three thousand, three hundred sixty-two".