65972453822 has 16 divisors (see below), whose sum is σ = 108426351600. Its totient is φ = 29856527040.

The previous prime is 65972453791. The next prime is 65972453839. The reversal of 65972453822 is 22835427956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6542447 + ... + 6552522.

It is an arithmetic number, because the mean of its divisors is an integer number (6776646975).

Almost surely, 2^65972453822 is an apocalyptic number.

65972453822 is a deficient number, since it is larger than the sum of its proper divisors (42453897778).

65972453822 is a wasteful number, since it uses less digits than its factorization.

65972453822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13095211.

The product of its digits is 7257600, while the sum is 53.

The spelling of 65972453822 in words is "sixty-five billion, nine hundred seventy-two million, four hundred fifty-three thousand, eight hundred twenty-two".