65710745407 has 4 divisors (see below), whose sum is σ = 65711897680. Its totient is φ = 65709593136.

The previous prime is 65710745363. The next prime is 65710745423. The reversal of 65710745407 is 70454701756.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65710745407 - 2¹⁹ = 65710221119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65710745437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485883 + ... + 606220.

It is an arithmetic number, because the mean of its divisors is an integer number (16427974420).

Almost surely, 2^65710745407 is an apocalyptic number.

65710745407 is a deficient number, since it is larger than the sum of its proper divisors (1152273).

65710745407 is a wasteful number, since it uses less digits than its factorization.

65710745407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152272.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 65710745407 in words is "sixty-five billion, seven hundred ten million, seven hundred forty-five thousand, four hundred seven".