65554967237 has 2 divisors, whose sum is σ = 65554967238. Its totient is φ = 65554967236.

The previous prime is 65554967213. The next prime is 65554967251. The reversal of 65554967237 is 73276945556.

65554967237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44301409441 + 21253557796 = 210479^2 + 145786^2 .

It is a cyclic number.

It is not a de Polignac number, because 65554967237 - 2¹⁸ = 65554705093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65554967267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32777483618 + 32777483619.

It is an arithmetic number, because the mean of its divisors is an integer number (32777483619).

Almost surely, 2^65554967237 is an apocalyptic number.

It is an amenable number.

65554967237 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554967237 is an equidigital number, since it uses as much as digits as its factorization.

65554967237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 59.

The spelling of 65554967237 in words is "sixty-five billion, five hundred fifty-four million, nine hundred sixty-seven thousand, two hundred thirty-seven".