65422378653 has 16 divisors (see below), whose sum is σ = 92214982080. Its totient is φ = 41142052224.

The previous prime is 65422378649. The next prime is 65422378657. The reversal of 65422378653 is 35687322456.

It is an interprime number because it is at equal distance from previous prime (65422378649) and next prime (65422378657).

It is not a de Polignac number, because 65422378653 - 2² = 65422378649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65422378596 and 65422378605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65422378657) 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, 2449726 + ... + 2476287.

It is an arithmetic number, because the mean of its divisors is an integer number (5763436380).

Almost surely, 2^65422378653 is an apocalyptic number.

It is an amenable number.

65422378653 is a deficient number, since it is larger than the sum of its proper divisors (26792603427).

65422378653 is a wasteful number, since it uses less digits than its factorization.

65422378653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926268.

The product of its digits is 7257600, while the sum is 51.

The spelling of 65422378653 in words is "sixty-five billion, four hundred twenty-two million, three hundred seventy-eight thousand, six hundred fifty-three".