65407874447 has 2 divisors, whose sum is σ = 65407874448. Its totient is φ = 65407874446.

The previous prime is 65407874431. The next prime is 65407874461. The reversal of 65407874447 is 74447870456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65407874447 - 2⁴ = 65407874431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65407874392 and 65407874401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65407874407) 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, 32703937223 + 32703937224.

It is an arithmetic number, because the mean of its divisors is an integer number (32703937224).

Almost surely, 2^65407874447 is an apocalyptic number.

65407874447 is a deficient number, since it is larger than the sum of its proper divisors (1).

65407874447 is an equidigital number, since it uses as much as digits as its factorization.

65407874447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21073920, while the sum is 56.

The spelling of 65407874447 in words is "sixty-five billion, four hundred seven million, eight hundred seventy-four thousand, four hundred forty-seven".