651352455212449 has 2 divisors, whose sum is σ = 651352455212450. Its totient is φ = 651352455212448.

The previous prime is 651352455212213. The next prime is 651352455212471. The reversal of 651352455212449 is 944212554253156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619961445950625 + 31391009261824 = 24899025^2 + 5602768^2 .

It is a cyclic number.

It is not a de Polignac number, because 651352455212449 - 2⁹ = 651352455211937 is a prime.

It is a super-2 number, since 2×651352455212449² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 651352455212393 and 651352455212402.

It is not a weakly prime, because it can be changed into another prime (651352455218449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325676227606224 + 325676227606225.

It is an arithmetic number, because the mean of its divisors is an integer number (325676227606225).

Almost surely, 2^{651352455212449} is an apocalyptic number.

It is an amenable number.

651352455212449 is a deficient number, since it is larger than the sum of its proper divisors (1).

651352455212449 is an equidigital number, since it uses as much as digits as its factorization.

651352455212449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840000, while the sum is 58.

The spelling of 651352455212449 in words is "six hundred fifty-one trillion, three hundred fifty-two billion, four hundred fifty-five million, two hundred twelve thousand, four hundred forty-nine".