65394992755 has 16 divisors (see below), whose sum is σ = 80472522240. Its totient is φ = 50988899808.

The previous prime is 65394992717. The next prime is 65394992759. The reversal of 65394992755 is 55729949356.

It is a cyclic number.

It is not a de Polignac number, because 65394992755 - 2¹³ = 65394984563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65394992759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228925 + ... + 428014.

It is an arithmetic number, because the mean of its divisors is an integer number (5029532640).

Almost surely, 2^65394992755 is an apocalyptic number.

65394992755 is a deficient number, since it is larger than the sum of its proper divisors (15077529485).

65394992755 is a wasteful number, since it uses less digits than its factorization.

65394992755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657450.

The product of its digits is 91854000, while the sum is 64.

The spelling of 65394992755 in words is "sixty-five billion, three hundred ninety-four million, nine hundred ninety-two thousand, seven hundred fifty-five".