65072951507 has 2 divisors, whose sum is σ = 65072951508. Its totient is φ = 65072951506.

The previous prime is 65072951459. The next prime is 65072951557. The reversal of 65072951507 is 70515927056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65072951507 - 2¹⁶ = 65072885971 is a prime.

It is not a weakly prime, because it can be changed into another prime (65072951557) 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, 32536475753 + 32536475754.

It is an arithmetic number, because the mean of its divisors is an integer number (32536475754).

Almost surely, 2^65072951507 is an apocalyptic number.

65072951507 is a deficient number, since it is larger than the sum of its proper divisors (1).

65072951507 is an equidigital number, since it uses as much as digits as its factorization.

65072951507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 47.

The spelling of 65072951507 in words is "sixty-five billion, seventy-two million, nine hundred fifty-one thousand, five hundred seven".