65246226401 has 4 divisors (see below), whose sum is σ = 66634444032. Its totient is φ = 63858008772.

The previous prime is 65246226361. The next prime is 65246226403. The reversal of 65246226401 is 10462264256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65246226401 - 2²⁶ = 65179117537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65246226403) 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, 694108745 + ... + 694108838.

It is an arithmetic number, because the mean of its divisors is an integer number (16658611008).

Almost surely, 2^65246226401 is an apocalyptic number.

It is an amenable number.

65246226401 is a deficient number, since it is larger than the sum of its proper divisors (1388217631).

65246226401 is a wasteful number, since it uses less digits than its factorization.

65246226401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388217630.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 65246226401 in words is "sixty-five billion, two hundred forty-six million, two hundred twenty-six thousand, four hundred one".