65354253845 has 16 divisors (see below), whose sum is σ = 80594278128. Its totient is φ = 50839027200.

The previous prime is 65354253827. The next prime is 65354253889. The reversal of 65354253845 is 54835245356.

It can be written as a sum of positive squares in 8 ways, for example, as 442934116 + 64911319729 = 21046^2 + 254777^2 .

It is not a de Polignac number, because 65354253845 - 2¹² = 65354249749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65354253793 and 65354253802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194945 + ... + 410745.

It is an arithmetic number, because the mean of its divisors is an integer number (5037142383).

Almost surely, 2^65354253845 is an apocalyptic number.

It is an amenable number.

65354253845 is a deficient number, since it is larger than the sum of its proper divisors (15240024283).

65354253845 is a wasteful number, since it uses less digits than its factorization.

65354253845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217480.

The product of its digits is 8640000, while the sum is 50.

The spelling of 65354253845 in words is "sixty-five billion, three hundred fifty-four million, two hundred fifty-three thousand, eight hundred forty-five".