648824831051 has 2 divisors, whose sum is σ = 648824831052. Its totient is φ = 648824831050.

The previous prime is 648824831041. The next prime is 648824831069. The reversal of 648824831051 is 150138428846.

648824831051 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 648824831051 - 2¹⁴ = 648824814667 is a prime.

It is a super-2 number, since 2×648824831051² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (648824831041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324412415525 + 324412415526.

It is an arithmetic number, because the mean of its divisors is an integer number (324412415526).

Almost surely, 2^648824831051 is an apocalyptic number.

648824831051 is a deficient number, since it is larger than the sum of its proper divisors (1).

648824831051 is an equidigital number, since it uses as much as digits as its factorization.

648824831051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 648824831051 in words is "six hundred forty-eight billion, eight hundred twenty-four million, eight hundred thirty-one thousand, fifty-one".