651104500481 has 2 divisors, whose sum is σ = 651104500482. Its totient is φ = 651104500480.

The previous prime is 651104500469. The next prime is 651104500489. The reversal of 651104500481 is 184005401156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589272704881 + 61831795600 = 767641^2 + 248660^2 .

It is a cyclic number.

It is not a de Polignac number, because 651104500481 - 2¹⁰ = 651104499457 is a prime.

It is a super-2 number, since 2×651104500481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (651104500489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325552250240 + 325552250241.

It is an arithmetic number, because the mean of its divisors is an integer number (325552250241).

Almost surely, 2^651104500481 is an apocalyptic number.

It is an amenable number.

651104500481 is a deficient number, since it is larger than the sum of its proper divisors (1).

651104500481 is an equidigital number, since it uses as much as digits as its factorization.

651104500481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 651104500481 in words is "six hundred fifty-one billion, one hundred four million, five hundred thousand, four hundred eighty-one".