648022246831 has 32 divisors (see below), whose sum is σ = 683317426176. Its totient is φ = 613369152000.

The previous prime is 648022246783. The next prime is 648022246871. The reversal of 648022246831 is 138642220846.

648022246831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648022246831 - 2¹³ = 648022238639 is a prime.

It is a super-3 number, since 3×648022246831³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648022246871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 937803196 + ... + 937803886.

It is an arithmetic number, because the mean of its divisors is an integer number (21353669568).

Almost surely, 2^648022246831 is an apocalyptic number.

648022246831 is a deficient number, since it is larger than the sum of its proper divisors (35295179345).

648022246831 is a wasteful number, since it uses less digits than its factorization.

648022246831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 648022246831 in words is "six hundred forty-eight billion, twenty-two million, two hundred forty-six thousand, eight hundred thirty-one".