651053405399 has 2 divisors, whose sum is σ = 651053405400. Its totient is φ = 651053405398.

The previous prime is 651053405341. The next prime is 651053405419. The reversal of 651053405399 is 993504350156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651053405399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651053465399) 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, 325526702699 + 325526702700.

It is an arithmetic number, because the mean of its divisors is an integer number (325526702700).

Almost surely, 2^651053405399 is an apocalyptic number.

651053405399 is a deficient number, since it is larger than the sum of its proper divisors (1).

651053405399 is an equidigital number, since it uses as much as digits as its factorization.

651053405399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187000, while the sum is 50.

The spelling of 651053405399 in words is "six hundred fifty-one billion, fifty-three million, four hundred five thousand, three hundred ninety-nine".