648925302451 has 2 divisors, whose sum is σ = 648925302452. Its totient is φ = 648925302450.

The previous prime is 648925302449. The next prime is 648925302461. The reversal of 648925302451 is 154203529846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648925302451 - 2¹ = 648925302449 is a prime.

It is a super-2 number, since 2×648925302451² (a number of 24 digits) contains 22 as substring.

Together with 648925302449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 648925302395 and 648925302404.

It is not a weakly prime, because it can be changed into another prime (648925302461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324462651225 + 324462651226.

It is an arithmetic number, because the mean of its divisors is an integer number (324462651226).

Almost surely, 2^648925302451 is an apocalyptic number.

648925302451 is a deficient number, since it is larger than the sum of its proper divisors (1).

648925302451 is an equidigital number, since it uses as much as digits as its factorization.

648925302451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 648925302451 in words is "six hundred forty-eight billion, nine hundred twenty-five million, three hundred two thousand, four hundred fifty-one".