65263197801 has 8 divisors (see below), whose sum is σ = 87019466400. Its totient is φ = 43507863872.

The previous prime is 65263197763. The next prime is 65263197817. The reversal of 65263197801 is 10879136256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65263197801 - 2¹⁸ = 65262935657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65263197821) 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 in 7 ways as a sum of consecutive naturals, for example, 50151 + ... + 364748.

It is an arithmetic number, because the mean of its divisors is an integer number (10877433300).

Almost surely, 2^65263197801 is an apocalyptic number.

It is an amenable number.

65263197801 is a deficient number, since it is larger than the sum of its proper divisors (21756268599).

65263197801 is a wasteful number, since it uses less digits than its factorization.

65263197801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467335.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 65263197801 in words is "sixty-five billion, two hundred sixty-three million, one hundred ninety-seven thousand, eight hundred one".